tinkerboard-2: u-boot: bump to v2025.04

This is tested on a tinkerboard 2s.

The u-boot dts for tb2 contains other fixes, and the major ones are:
- add missing basic gpio-fan node
- usb-c altmode fix, dts part

Author: hyx0329

config/boards/tinkerboard-2.csc

@@ -9,8 +9,8 @@ FULL_DESKTOP="yes"
 BOOT_LOGO="desktop"
 BOOT_FDT_FILE="rockchip/rk3399-tinker-2.dtb"
 SERIALCON="ttyS2"
-BOOT_SCENARIO="spl-blobs"                   # 'blobless' also works; but some RAM issues found; see rk33/rk3399_ddr_800MHz_v1.27.bin in rockchip64_common.inc
+BOOT_SCENARIO="binman"                      # 'blobless' also works; but some RAM issues found; see rk33/rk3399_ddr_800MHz_v1.27.bin in rockchip64_common.inc
 BOARD_FIRMWARE_INSTALL="-full"              # Install full firmware, for rtl8822ce firmware and others
-BOOTBRANCH="tag:v2021.07"                   # v2021.07 ...
+BOOTBRANCH="tag:v2025.04"                   # v2025.04 ...
 BOOTPATCHDIR='legacy/u-boot-tinkerboard2'   # ...  with _only_ the patches we need for TB2, not the default rockchip64
 DDR_BLOB="rk33/rk3399_ddr_800MHz_v1.27.bin" # Different blob for TB2