rockchip rk3566: h96-TVbox: bump to uboot v2026.04

Author: hqnicolas

config/boards/h96-tvbox-3566.tvb

@@ -10,7 +10,7 @@ BOOT_SCENARIO="spl-blobs"
 FULL_DESKTOP="yes"
 IMAGE_PARTITION_TABLE="gpt"
 KERNEL_TARGET="current,edge"
-
+KERNEL_TEST_TARGET="edge"
 DDR_BLOB="rk35/rk3568_ddr_1560MHz_v1.21.bin"
 BL31_BLOB="rk35/rk3568_bl31_v1.44.elf"
 
@@ -19,8 +19,8 @@ function post_family_config__h96_max_use_mainline_uboot() {
 	display_alert "$BOARD" "Using mainline U-Boot for $BOARD / $BRANCH" "info"
 	declare -g BOOTCONFIG="h96max-v56_defconfig"
 	declare -g BOOTSOURCE="https://github.com/u-boot/u-boot.git"
-	declare -g BOOTBRANCH="tag:v2025.01"
-	declare -g BOOTPATCHDIR="v2025.01/board_${BOARD}"
+	declare -g BOOTBRANCH="tag:v2026.04"
+	declare -g BOOTPATCHDIR="v2026.04/board_${BOARD}"
 	declare -g UBOOT_TARGET_MAP="BL31=$RKBIN_DIR/$BL31_BLOB ROCKCHIP_TPL=$RKBIN_DIR/$DDR_BLOB;;u-boot-rockchip.bin"
 	unset uboot_custom_postprocess write_uboot_platform write_uboot_platform_mtd
 	function write_uboot_platform() {