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/libraries/liblaxjson/default.nix

@@ -0,0 +1,23 @@
+{ lib, stdenv, fetchFromGitHub, cmake }:
+
+stdenv.mkDerivation rec {
+  version = "1.0.5";
+  pname = "liblaxjson";
+
+  src = fetchFromGitHub {
+    owner = "andrewrk";
+    repo = "liblaxjson";
+    rev = version;
+    sha256 = "01iqbpbhnqfifhv82m6hi8190w5sdim4qyrkss7z1zyv3gpchc5s";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with lib; {
+    description = "Library for parsing JSON config files";
+    homepage = "https://github.com/andrewrk/liblaxjson";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = [ maintainers.andrewrk ];
+  };
+}