arm-bsp: u-boot error fixing and file clean-up

This commit fixes the errors while rebasing u-boot src to v2020.07.
Additional work necessary to preserve dunfell functionality.
Consolidate all of the files into a single inc file and single bbappend
file.

Change-Id: I442c843b1fafeb41ea283d2f11393522a48fc9d2
Signed-off-by: Damodar Santhapuri <damodar.santhapuri@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/recipes-bsp/u-boot/u-boot-2020.07/juno/u-boot_vexpress_uenv.patch

@@ -0,0 +1,37 @@
+diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h
+index 09cdd3dab5..7d6d231bd9 100644
+--- a/include/configs/vexpress_aemv8a.h
++++ b/include/configs/vexpress_aemv8a.h
+@@ -136,6 +136,32 @@
+ 				"fdtfile=board.dtb\0" \
+ 				"fdt_alt_name=juno\0" \
+ 				"fdt_addr_r=0x80000000\0" \
++                               "bootenvfile=uEnv.txt\0" \
++                               "bootcmd=run envboot\0" \
++                               "envboot=if run loadbootenv; then echo Loading env from ${bootenvfile}; run importbootenv; else run default_bootcmd; fi; if test -n $uenvcmd; then echo Running uenvcmd ...; run uenvcmd;fi;\0" \
++                                "importbootenv=echo Importing environment from memory, size ${filesize}; env import -t ${loadaddr} ${filesize}\0" \
++                                "loadaddr=0x82000000\0" \
++                                "filesize=0x4000\0" \
++                                "loadbootenv=mw.l ${loadaddr} 0 0x1000; afs load ${bootenvfile} ${loadaddr}\0" \
++                                "default_bootcmd=echo running default boot command; afs load ${kernel_name} ${kernel_addr_r} ; " \
++                                                "if test $? -eq 1; then "\
++                                                "  echo Loading ${kernel_alt_name} instead of "\
++                                                "${kernel_name}; "\
++                                                "  afs load ${kernel_alt_name} ${kernel_addr_r};"\
++                                                "fi ; "\
++		                                "afs load  ${fdtfile} ${fdt_addr_r} ; " \
++                                                "if test $? -eq 1; then "\
++                                                "  echo Loading ${fdt_alt_name} instead of "\
++                                                "${fdtfile}; "\
++		                                "  afs load ${fdt_alt_name} ${fdt_addr_r}; "\
++		                                "fi ; "\
++                                                "fdt addr ${fdt_addr_r}; fdt resize; " \
++		                                "if afs load  ${ramdisk_name} ${ramdisk_addr_r} ; "\
++		                                "then "\
++		                                "  setenv ramdisk_param ${ramdisk_addr_r}; "\
++		                                "  else setenv ramdisk_param -; "\
++		                                "fi ; " \
++		                                "booti ${kernel_addr_r} ${ramdisk_param} ${fdt_addr_r}\0"
+ 
+ /* Copy the kernel and FDT to DRAM memory and boot */
+ #define CONFIG_BOOTCOMMAND	"afs load ${kernel_name} ${kernel_addr_r} ;"\

meta-arm-bsp/recipes-bsp/u-boot/u-boot-tc0.inc

@@ -1,3 +0,0 @@
-# TC0 specific Das U-Boot configuration and patch
-
-SRC_URI_append = ' file://0001-Add-support-for-Total-Compute.patch'

meta-arm-bsp/recipes-bsp/u-boot/u-boot_%.bbappend

@@ -1,12 +1,32 @@
 # Machine specific u-boot
 
-FILESEXTRAPATHS_prepend := "${THISDIR}/files/${MACHINE}:"
+THISDIR := "${THISDIR}"
+FILESEXTRAPATHS_prepend = "${THISDIR}/files/:${THISDIR}/${BP}:"
+FILESEXTRAPATHS_prepend_fvp-base := "${THISDIR}/files/fvp-common:"
+FILESEXTRAPATHS_prepend_foundation-armv8 := "${THISDIR}/files/fvp-common:"
 
+#
+# Cortex-A5 DesignStart KMACHINE
+#
 SRC_URI_append_a5ds = " file://0001-armv7-add-mmio-timer.patch \
-                    file://0002-board-arm-add-designstart-cortex-a5-board.patch"
+                        file://0002-board-arm-add-designstart-cortex-a5-board.patch"
 
-MACHINE_UBOOT_REQUIRE ?= ""
+#
+# FVP FOUNDATION KMACHINE
+#
+SRC_URI_append_foundation-armv8 = " file://u-boot_vexpress_fvp.patch"
 
-MACHINE_UBOOT_REQUIRE_tc0 = "u-boot-tc0.inc"
+#
+# FVP BASE KMACHINE
+#
+SRC_URI_append_fvp-base = " file://u-boot_vexpress_fvp.patch"
 
-require ${MACHINE_UBOOT_REQUIRE}
+#
+# Juno KMACHINE
+#
+SRC_URI_append_juno = " file://u-boot_vexpress_uenv.patch"
+
+#
+# Total Compute KMACHINE
+#
+SRC_URI_append_tc0 = " file://0001-Add-support-for-Total-Compute.patch"

meta-arm-bsp/recipes-bsp/u-boot/u-boot_2020.%.bbappend

@@ -1,13 +0,0 @@
-# u-boot_2020 patch for fvp machinesboard
-
-#
-# Patch u-boot to change kernel command line
-#
-
-FILESEXTRAPATHS_prepend_fvp-base := "${THISDIR}/files/fvp-common:"
-FILESEXTRAPATHS_prepend_foundation-armv8 := "${THISDIR}/files/fvp-common:"
-FILESEXTRAPATHS_prepend_juno := "${THISDIR}/files:"
-
-SRC_URI_append_fvp-base = " file://u-boot_vexpress_fvp.patch"
-SRC_URI_append_foundation-armv8 = " file://u-boot_vexpress_fvp.patch"
-SRC_URI_append_juno = " file://u-boot_vexpress_uenv.patch"