configs/ti_am62x_sk: bump TF-A, U-Boot and Linux versions

This patch bumps:

- TF-A to version v2.12 (LTS)
- U-Boot to version v2025.04
- Linux kernel to version 6.12.24 (LTS)

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

board/ti/am62x-sk/patches/linux/linux.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  475172fdbd87a153f123a57952672e773bdb6daf5b58a417d1a5e419fcfeec49  linux-6.12.11.tar.xz
+sha256  643142c1b5991560dd12f950825cc19e4497b95b82641918ecff1177f4130c1d  linux-6.12.24.tar.xz

board/ti/am62x-sk/patches/uboot/uboot.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  cdef7d507c93f1bbd9f015ea9bc21fa074268481405501945abc6f854d5b686f  u-boot-2025.01.tar.bz2
+sha256  439d3bef296effd54130be6a731c5b118be7fddd7fcc663ccbc5fb18294d8718  u-boot-2025.04.tar.bz2

configs/ti_am62x_sk_defconfig

@@ -8,7 +8,7 @@ BR2_ROOTFS_POST_BUILD_SCRIPT_ARGS="-c ttyS2,115200n8 -d k3-am625-sk.dtb -l am62x
 BR2_ROOTFS_POST_IMAGE_SCRIPT_ARGS="-c board/ti/am62x-sk/genimage.cfg"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.12.11"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.12.24"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="ti/k3-am625-sk"
@@ -18,8 +18,7 @@ BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
 BR2_TARGET_ROOTFS_EXT2_SIZE="256M"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION=y
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.11"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_LTS_2_12_VERSION=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="k3"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_TARGET_BOARD="lite"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL32_OPTEE=y
@@ -27,12 +26,12 @@ BR2_TARGET_OPTEE_OS=y
 BR2_TARGET_OPTEE_OS_PLATFORM="k3-am62x"
 BR2_TARGET_TI_K3_R5_LOADER=y
 BR2_TARGET_TI_K3_R5_LOADER_CUSTOM_VERSION=y
-BR2_TARGET_TI_K3_R5_LOADER_CUSTOM_VERSION_VALUE="2025.01"
+BR2_TARGET_TI_K3_R5_LOADER_CUSTOM_VERSION_VALUE="2025.04"
 BR2_TARGET_TI_K3_R5_LOADER_BOARD_DEFCONFIG="am62x_evm_r5"
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2025.01"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2025.04"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="am62x_evm_a53"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_NEEDS_OPENSSL=y