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/termcolor/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+}:
+
+stdenv.mkDerivation rec {
+  pname = "termcolor";
+  version = "2.0.0";
+
+  src = fetchFromGitHub {
+    owner = "ikalnytskyi";
+    repo = "termcolor";
+    rev = "v${version}";
+    sha256 = "sha256-W0hB+lFJ2sm7DsbOzITOtjJuntSM55BfwUunOOS4RcA=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  cmakeFlags = [ "-DTERMCOLOR_TESTS=ON" ];
+
+  doCheck = true;
+
+  checkPhase = ''
+    runHook preCheck
+    ./test_termcolor
+    runHook postCheck
+  '';
+
+  meta = with lib; {
+    description = "Header-only C++ library for printing colored messages";
+    homepage = "https://github.com/ikalnytskyi/termcolor";
+    license = licenses.bsd3;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ prusnak ];
+  };
+}