arm-bsp: Build UEFI EDK2 firmware for N1SDP

- Add bbappend recipe to configure N1SDP specifics
- Enable UEFI EDK2 firmware build for N1SDP.
- Update machine conf to add dependency
  for EDK2 firmware components

Change-Id: I89d41c176f31bce6f1df7f3b3a7cd624b46c05e1
Issue-Id: PLATFORMS-3134
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@arm.com>
Reviewed-by: Diego Sueiro <diego.sueiro@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/conf/machine/n1sdp.conf

@@ -27,3 +27,6 @@ PREFERRED_PROVIDER_virtual/trusted-firmware-a ?= "trusted-firmware-a"
 PREFERRED_VERSION_trusted-firmware-a ?= "2.2%"
 
 EXTRA_IMAGEDEPENDS += "virtual/trusted-firmware-a"
+
+#UEFI EDK2 firmware
+EXTRA_IMAGEDEPENDS += "virtual/uefi-firmware"

meta-arm-bsp/recipes-bsp/uefi/edk2-firmware-n1sdp.inc

@@ -0,0 +1,19 @@
+SRC_URI = "\
+    git://git.linaro.org/landing-teams/working/arm/edk2.git;name=edk2;destsuffix=${S}/edk2;nobranch=1 \
+    git://git.linaro.org/landing-teams/working/arm/edk2-platforms.git;name=edk2-platforms;destsuffix=${S}/edk2/edk2-platforms;nobranch=1 \
+"
+
+# TAGS and commit ID as per N1SDP-2020.03.26 release
+SRCREV_edk2           = "3ff8a6bffabad761279817252014d59b6069d68a"
+SRCREV_edk2-platforms = "b6bfc4417ff13168d69c4cbf2338f62c89c82dfd"
+
+# N1SDP specific EDK2 configurations
+EDK2_BUILD_RELEASE = "0"
+EDK2_PLATFORM      = "n1sdp"
+EDK2_PLATFORM_DSC  = "N1SdpPkg/N1SdpPlatform.dsc"
+EDK2_BIN_NAME      = "BL33_AP_UEFI.fd"
+EDK2_ARCH          = "AARCH64"
+
+COMPATIBLE_MACHINE = "n1sdp"
+
+PV ?= "201908+git${SRCPV}"

meta-arm-bsp/recipes-bsp/uefi/edk2-firmware_git.bbappend

@@ -0,0 +1,7 @@
+# Include machine specific configurations for UEFI EDK2
+
+MACHINE_EDK2_REQUIRE ?= ""
+
+MACHINE_EDK2_REQUIRE_n1sdp = "edk2-firmware-n1sdp.inc"
+
+require ${MACHINE_EDK2_REQUIRE}