configs/stm32mp157a_dk1: bump TF-A, Linux, U-Boot versions

Runtime tested:

NOTICE:  Model: STMicroelectronics STM32MP157A-DK1 Discovery Board
NOTICE:  Board: MB1272 Var1.0 Rev.C-01
...
U-Boot 2021.07 (Jul 09 2021 - 20:53:05 +0200)
...
Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.13.0 ...
...
Welcome to Buildroot
buildroot login:

Signed-off-by: Pierre-Jean Texier <texier.pj2@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/stm32mp157a_dk1_defconfig

@@ -1,11 +1,11 @@
 BR2_arm=y
 BR2_cortex_a7=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_13=y
 BR2_ROOTFS_OVERLAY="board/stmicroelectronics/stm32mp157a-dk1/overlay/"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/stmicroelectronics/common/stm32mp157/post-image.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.8.13"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.13"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/stmicroelectronics/stm32mp157a-dk1/linux.config"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
@@ -17,7 +17,7 @@ BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION=y
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.2"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.5"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="stm32mp1"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES="STM32MP_SDMMC=1 AARCH32_SP=sp_min DTB_FILE_NAME=stm32mp157a-dk1.dtb"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_IMAGES="*.stm32"
@@ -25,7 +25,7 @@ BR2_TARGET_ARM_TRUSTED_FIRMWARE_NEEDS_DTC=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2020.07"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.07"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="stm32mp15_trusted"
 BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="board/stmicroelectronics/stm32mp157a-dk1/uboot-fragment.config"
 # BR2_TARGET_UBOOT_FORMAT_BIN is not set