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/applications/misc/madonctl/default.nix

@@ -0,0 +1,31 @@
+{ lib, buildGoPackage, fetchFromGitHub }:
+
+buildGoPackage rec {
+  pname = "madonctl";
+  version = "1.1.0";
+
+  goPackagePath = "github.com/McKael/madonctl";
+
+  src = fetchFromGitHub {
+    owner = "McKael";
+    repo = "madonctl";
+    rev  = "v${version}";
+    sha256 = "1dnc1xaafhwhhf5afhb0wc2wbqq0s1r7qzj5k0xzc58my541gadc";
+  };
+
+  # How to update:
+  # go get -u github.com/McKael/madonctl
+  # cd $GOPATH/src/github.com/McKael/madonctl
+  # git checkout v<version-number>
+  # go2nix save
+
+  goDeps = ./deps.nix;
+
+  meta = with lib; {
+    description = "CLI for the Mastodon social network API";
+    homepage = "https://github.com/McKael/madonctl";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ ];
+  };
+}