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/tools/misc/claws/default.nix

@@ -0,0 +1,23 @@
+{ lib, buildGoPackage, fetchFromGitHub }:
+
+buildGoPackage rec {
+  pname = "claws";
+  version = "0.3.2";
+
+  goPackagePath = "github.com/thehowl/${pname}";
+
+  src = fetchFromGitHub {
+    rev = version;
+    owner = "thehowl";
+    repo = pname;
+    sha256 = "0nl7xvdivnabqr98mh3m1pwqznprsaqpagny6zcwwmz480x4pmfz";
+  };
+
+  meta = with lib; {
+    homepage = "https://github.com/thehowl/claws";
+    description = "Interactive command line client for testing websocket servers";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ petabyteboy ];
+  };
+}