arm-bsp/tc0: move to u-boot 2021.07

Also add necessary patches.

Change-Id: I7ef31832e3bd0521c03a3945e8b70596d2ef0f73
Signed-off-by: Anders Dellien <anders.dellien@arm.com>

meta-arm-bsp/conf/machine/tc0.conf

@@ -10,7 +10,7 @@ require conf/machine/include/arm/arch-armv8a.inc
 
 # Das U-boot
 UBOOT_MACHINE ?= "total_compute_defconfig"
-PREFERRED_VERSION_u-boot ?= "2020.10"
+PREFERRED_VERSION_u-boot ?= "2021.07"
 UBOOT_RD_LOADADDRESS = "0x88000000"
 UBOOT_RD_ENTRYPOINT = "0x88000000"
 UBOOT_LOADADDRESS = "0x80080000"

meta-arm-bsp/recipes-bsp/u-boot/u-boot-2021.07/tc0/0001-board-armltd-Remove-bootargs-from-Total-Compute-conf.patch

@@ -0,0 +1,33 @@
+From 893c4a4089f796d1282b3ebde3d327db00e07157 Mon Sep 17 00:00:00 2001
+From: Anders Dellien <anders.dellien@arm.com>
+Date: Tue, 8 Jun 2021 09:35:56 +0100
+Subject: [PATCH 1/2] board: armltd: Remove bootargs from Total Compute
+ configuration
+
+This information will be maintained in the device tree instead.
+
+Signed-off-by: Anders Dellien <anders.dellien@arm.com>
+Change-Id: I279399d4a0ea1a3330de5b58e8c9af78e48ba04c
+
+Upstream-Status: Pending [https://lists.denx.de/pipermail/u-boot/2021-June/452156.html]
+---
+ configs/total_compute_defconfig | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/configs/total_compute_defconfig b/configs/total_compute_defconfig
+index e36d701ff4..954023fae5 100644
+--- a/configs/total_compute_defconfig
++++ b/configs/total_compute_defconfig
+@@ -11,8 +11,7 @@ CONFIG_FIT=y
+ CONFIG_FIT_SIGNATURE=y
+ CONFIG_LEGACY_IMAGE_FORMAT=y
+ CONFIG_BOOTDELAY=5
+-CONFIG_USE_BOOTARGS=y
+-CONFIG_BOOTARGS="console=ttyAMA0 debug user_debug=31 earlycon=pl011,0x7ff80000 loglevel=9 androidboot.hardware=total_compute video=640x480-32@60 androidboot.boot_devices=1c050000.mmci ip=dhcp androidboot.selinux=permissive"
++# CONFIG_USE_BOOTARGS is not set
+ # CONFIG_USE_BOOTCOMMAND is not set
+ # CONFIG_DISPLAY_CPUINFO is not set
+ # CONFIG_DISPLAY_BOARDINFO is not set
+-- 
+2.17.1
+

meta-arm-bsp/recipes-bsp/u-boot/u-boot-2021.07/tc0/0002-cmd-part-Correct-error-handling.patch

@@ -0,0 +1,32 @@
+From 2fb7e756c005fe60b440943cfe0cbd39a82c79ac Mon Sep 17 00:00:00 2001
+From: Anders Dellien <anders.dellien@arm.com>
+Date: Tue, 15 Jun 2021 15:38:55 +0100
+Subject: [PATCH 2/2] cmd: part: Correct error handling
+
+As 'part_get_info_by_name' now returns more status codes than just
+-1 to indicate failure, we need to update the return value check.
+
+Signed-off-by: Anders Dellien <anders.dellien@arm.com>
+Change-Id: Id972be70e9ed12fecaf97793b12d23ccc57007e7
+
+Upstream-Status: Pending [https://lists.denx.de/pipermail/u-boot/2021-June/452573.html]
+---
+ cmd/part.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/cmd/part.c b/cmd/part.c
+index 3395c17b89..e0463b5a54 100644
+--- a/cmd/part.c
++++ b/cmd/part.c
+@@ -140,7 +140,7 @@ static int do_part_info(int argc, char *const argv[], enum cmd_part_info param)
+ 			return 1;
+ 	} else {
+ 		part = part_get_info_by_name(desc, argv[2], &info);
+-		if (part == -1)
++		if (part < 0)
+ 			return 1;
+ 	}
+ 
+-- 
+2.17.1
+

meta-arm-bsp/recipes-bsp/u-boot/u-boot_2021.07.bbappend

@@ -0,0 +1,12 @@
+# Machine specific u-boot
+
+THIS_DIR := "${THISDIR}"
+FILESEXTRAPATHS_prepend = "${THIS_DIR}/${BP}:"
+
+#
+# TC0 MACHINE
+#
+SRC_URI_append_tc0 = " \
+    file://0001-board-armltd-Remove-bootargs-from-Total-Compute-conf.patch \
+    file://0002-cmd-part-Correct-error-handling.patch \
+    "