u-boot/legacy/u-boot-radxa-rk35xx: change a file here to force all rk vendor u-boots to rebuild

Author: rpardini

patch/u-boot/legacy/u-boot-radxa-rk35xx/0000.patching_config.yaml

@@ -1,5 +1,5 @@
 config:
-
+  # any changes here cause all rk-vendor uboots to be rebuilt in CI
   overlay-directories:
     - { source: "defconfig", target: "configs" } # copies all files in defconfig dir to the configs/ dir in the u-boot source tree
     - { source: "dt", target: "arch/arm/dts" } # copies all files in dt dir to the arch/arm/dts dir in the u-boot source tree