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>

pkgs/development/tools/gojsontoyaml/default.nix

@@ -0,0 +1,22 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "gojsontoyaml";
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "brancz";
+    repo = "gojsontoyaml";
+    rev = "v${version}";
+    sha256 = "sha256-ebxz2uTH7XwD3j6JnsfET6aCGYjvsCjow/sU9pagg50=";
+  };
+
+  vendorSha256 = null;
+
+  meta = with lib; {
+    description = "Simply tool to convert json to yaml written in Go";
+    homepage = "https://github.com/brancz/gojsontoyaml";
+    license = licenses.mit;
+    maintainers = [ maintainers.bryanasdev000 ];
+  };
+}