configs/rockpro64_ebbr: update components

This commit:
- updates the Kernel from 6.12.18 to 6.18.4
- updates arm-trusted-firmware from v2.12 to v2.14
- updates optee-os and clients from 4.5.0 to 4.8.0
- updates U-Boot from 2025.01 to 2026.01
- switches to Bootlin external glibc stable toolchain
- removes hash for linux-headers (no longer needed)

Those changes aligns components version of this defconfig
with rockpro64_defconfig.

Tested on board Rockpro64_V2.1 2018-07-02.

Cc: Vincent Stehlé <vincent.stehle@arm.com>
Reviewed-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Tested-by: Vincent Stehlé <vincent.stehle@arm.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

board/pine64/rockpro64-ebbr/patches/arm-trusted-firmware/arm-trusted-firmware.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  06b35a3596b8417bf66f7bfdd7acd181bcb53fc36dc13216227b5cae154e0219  arm-trusted-firmware-v2.12-git4.tar.gz
+sha256  6fd749e53c455aec3418288630544e7552bbffab4442ddc48b20ebef9aee87ff  arm-trusted-firmware-v2.14-git4.tar.gz

board/pine64/rockpro64-ebbr/patches/linux-headers/linux-headers.hash

@@ -1 +0,0 @@
-../linux/linux.hash

board/pine64/rockpro64-ebbr/patches/linux/linux.hash

@@ -1,2 +1,2 @@
 # From https://cdn.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
-sha256  beb902a5f69d9e57710112203db38111dad6d30556ea8ce389284c8077fe944d  linux-6.12.18.tar.xz
+sha256  f850139ca5f79c1bf6bb8b32f92e212aadca97bdaef8a83a7cf4ac4d6a525fab  linux-6.18.4.tar.xz

board/pine64/rockpro64-ebbr/patches/optee-client/optee-client.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  ac6dc2c0c253ea228ea230e537211a45475771050faf4e66fe64321de3a0a652  optee-client-4.5.0.tar.gz
+sha256  464b3bf5bc4a61830357dbf81a0e5b89414d3bca1c2a752570cb0e40d2f1e637  optee-client-4.8.0.tar.gz

board/pine64/rockpro64-ebbr/patches/optee-os/optee-os.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  43c389f0505e8bc21d6fbaa8ea83ec67d1746ed14a537e3f505cd0e5b4cc2db9  optee-os-4.5.0.tar.gz
+sha256  5222cd553f5edb69ae4ec7cb99b2bfec2c47a47c0be1865b49744701918e8b4d  optee-os-4.8.0.tar.gz

board/pine64/rockpro64-ebbr/patches/uboot/uboot.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  cdef7d507c93f1bbd9f015ea9bc21fa074268481405501945abc6f854d5b686f  u-boot-2025.01.tar.bz2
+sha256  b60d5865cefdbc75da8da4156c56c458e00de75a49b80c1a2e58a96e30ad0d54  u-boot-2026.01.tar.bz2

configs/rockpro64_ebbr_defconfig

@@ -1,6 +1,8 @@
 BR2_aarch64=y
 BR2_cortex_a72_a53=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
 BR2_GLOBAL_PATCH_DIR="board/pine64/rockpro64-ebbr/patches"
 BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
 BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV=y
@@ -9,7 +11,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="board/pine64/rockpro64-ebbr/post-image.sh support/
 BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/pine64/rockpro64-ebbr/genimage.cfg"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.12.18"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.18.4"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/pine64/rockpro64-ebbr/linux.fragment"
 BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
@@ -22,7 +24,7 @@ BR2_TARGET_ROOTFS_EXT2_SIZE="128M"
 # 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="v2.12"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.14"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="rk3399"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL32_OPTEE=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_IMAGES=""
@@ -31,7 +33,7 @@ BR2_TARGET_GRUB2=y
 BR2_TARGET_GRUB2_BUILTIN_MODULES_EFI="boot linux ext2 fat squash4 part_msdos part_gpt normal efi_gop lsefisystab lsefimmap lsefi efifwsetup efitextmode efinet"
 BR2_TARGET_OPTEE_OS=y
 BR2_TARGET_OPTEE_OS_CUSTOM_VERSION=y
-BR2_TARGET_OPTEE_OS_CUSTOM_VERSION_VALUE="4.5.0"
+BR2_TARGET_OPTEE_OS_CUSTOM_VERSION_VALUE="4.8.0"
 BR2_TARGET_OPTEE_OS_NEEDS_DTC=y
 BR2_TARGET_OPTEE_OS_NEEDS_PYTHON_CRYPTOGRAPHY=y
 BR2_TARGET_OPTEE_OS_PLATFORM="rockchip-rk3399"
@@ -39,7 +41,7 @@ BR2_TARGET_OPTEE_OS_ADDITIONAL_VARIABLES="CFG_TEE_CORE_LOG_LEVEL=2 CFG_DT=y CFG_
 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="2026.01"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="rockpro64-rk3399"
 BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="board/pine64/rockpro64-ebbr/u-boot.fragment"
 BR2_TARGET_UBOOT_NEEDS_DTC=y