uboot_helper: RK3399: Add Radxa ROCK 4C+

Added Radxa ROCK 4C+ which is officially supported by uboot and kernel.

projects/Rockchip/devices/RK3399/README.md

@@ -12,6 +12,7 @@ This is a SoC device for RK3399
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=aarch64 UBOOT_SYSTEM=rock960 make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=aarch64 UBOOT_SYSTEM=rock-pi-4 make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=aarch64 UBOOT_SYSTEM=rock-pi-4-plus make image`
+* `PROJECT=Rockchip DEVICE=RK3399 ARCH=aarch64 UBOOT_SYSTEM=rock-4c-plus make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=aarch64 UBOOT_SYSTEM=rock-pi-n10 make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=aarch64 UBOOT_SYSTEM=rockpro64 make image`
 * `PROJECT=Rockchip DEVICE=RK3399 ARCH=aarch64 UBOOT_SYSTEM=roc-pc make image`

scripts/uboot_helper

@@ -332,6 +332,10 @@ devices = \
         'dtb': 'rk3399-rock-pi-4b-plus.dtb',
         'config': 'rock-pi-4-rk3399_defconfig'
       },
+      'rock-4c-plus': {
+        'dtb': 'rk3399-rock-4c-plus.dtb',
+        'config': 'rock-4c-plus-rk3399_defconfig'
+      },      
       'rock-pi-n10': {
         'dtb': 'rk3399pro-rock-pi-n10.dtb',
         'config': 'rock-pi-n10-rk3399pro_defconfig'