Merge pull request #298347 from jgero/feat/uboot-rock4cplus

feat(uboot): add rock4cplus support

pkgs/misc/uboot/default.nix

···
     filesToInstall = ["u-boot.bin"];
   };
 
+  ubootRock4CPlus = buildUBoot {
+    defconfig = "rock-4c-plus-rk3399_defconfig";
+    extraMeta.platforms = [ "aarch64-linux" ];
+    BL31 = "${armTrustedFirmwareRK3399}/bl31.elf";
+    filesToInstall = [ "u-boot.itb" "idbloader.img" ];
+  };
+
   ubootRock5ModelB = buildUBoot {
     defconfig = "rock5b-rk3588_defconfig";
     extraMeta.platforms = ["aarch64-linux"];

pkgs/top-level/all-packages.nix

···
     ubootRaspberryPi4_32bit
     ubootRaspberryPi4_64bit
     ubootRaspberryPiZero
+    ubootRock4CPlus
     ubootRock5ModelB
     ubootRock64
     ubootRock64v2