configs/kontron_pitx_imx8m: switch to upstream U-Boot

Switch U-Boot from vendor downstream version to upstream. Since the
upstream U-Boot uses binman to build the bootable binary (flash.bin) the
need for the iMX specifc prepare script is no longer required.

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

board/kontron/pitx-imx8m/genimage.cfg

@@ -5,7 +5,7 @@ image sdcard.img {
 
 	partition imx-boot {
 		in-partition-table = "no"
-		image = "imx8-boot-sd.bin"
+		image = "flash.bin"
 		offset = 33K
 	}
 

board/kontron/pitx-imx8m/post-image.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-support/scripts/genimage.sh -c ${BINARIES_DIR}/genimage.cfg

configs/kontron_pitx_imx8m_defconfig

@@ -3,9 +3,9 @@ BR2_aarch64=y
 
 # System
 BR2_TARGET_GENERIC_GETTY_PORT="ttymxc2"
-BR2_ROOTFS_POST_BUILD_SCRIPT="board/freescale/common/imx/imx8-bootloader-prepare.sh board/kontron/pitx-imx8m/post-build.sh"
-BR2_ROOTFS_POST_IMAGE_SCRIPT="board/kontron/pitx-imx8m/post-image.sh"
-BR2_ROOTFS_POST_SCRIPT_ARGS="${UBOOT_DIR}/arch/arm/dts/pitx-imx8mq.dtb"
+BR2_ROOTFS_POST_BUILD_SCRIPT="board/kontron/pitx-imx8m/post-build.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c $(BINARIES_DIR)/genimage.cfg"
 
 # Kernel
 BR2_LINUX_KERNEL=y
@@ -37,12 +37,18 @@ BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="imx8mq"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
-BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
-BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://gitlab.kontron.com/imx/u-boot-imx/-/archive/PITX-IMX8M-R12/u-boot-imx-PITX-IMX8M-R12.tar.gz"
-BR2_TARGET_UBOOT_BOARD_DEFCONFIG="pitx-imx8m"
+BR2_TARGET_UBOOT_CUSTOM_VERSION=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2022.04"
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="kontron_pitx_imx8m"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
+BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
+BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
+BR2_TARGET_UBOOT_NEEDS_ATF_BL31_BIN=y
+BR2_TARGET_UBOOT_NEEDS_IMX_FIRMWARE=y
 BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
-BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot-nodtb.bin"
+BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="flash.bin"
 BR2_TARGET_UBOOT_SPL=y
 
 # Required host tools to create the SD/eMMC image