uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

maintainers/scripts/hydra_eval_check

@@ -0,0 +1,13 @@
+#! /bin/sh
+
+# give absolute path of release.nix as argument
+hydra_eval_jobs \
+  --argstr system x86_64-linux \
+  --argstr system i686-linux \
+  --argstr system x86_64-darwin \
+  --argstr system i686-cygwin \
+  --argstr system x86_64-cygwin \
+  --argstr system i686-freebsd \
+  --arg officialRelease false \
+  --arg nixpkgs "{ outPath = builtins.storePath ./. ; rev = 1234; }" \
+  $@