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/graphics/round/default.nix

@@ -0,0 +1,27 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+}:
+
+buildGoModule rec {
+  pname = "round";
+  version = "0.0.2";
+
+  src = fetchFromGitHub {
+    owner = "mingrammer";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "09brjr3h4qnhlidxlki1by5anahxy16ai078zm4k7ryl579amzdw";
+  };
+
+  vendorSha256 = null;
+
+  subPackages = [ "." ];
+
+  meta = with lib; {
+    description = "Round image corners from CLI";
+    homepage    = "https://github.com/mingrammer/round";
+    license     = licenses.mit;
+    maintainers =  with maintainers; [ addict3d ];
+  };
+}