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/l-smash/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchFromGitHub, which }:
+
+stdenv.mkDerivation rec {
+  pname = "l-smash";
+  version = "2.14.5";
+
+  src = fetchFromGitHub {
+    owner = "l-smash";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0rcq9727im6kd8da8b7kzzbzxdldvmh5nsljj9pvr4m3lj484b02";
+  };
+
+  nativeBuildInputs = [ which ];
+
+  configureFlags = [
+    "--cc=cc"
+    "--cross-prefix=${stdenv.cc.targetPrefix}"
+  ];
+
+  meta = with lib; {
+    homepage = "http://l-smash.github.io/l-smash/";
+    description = "MP4 container utilities";
+    license = licenses.isc;
+    maintainers = with maintainers; [ tadeokondrak ];
+    platforms = platforms.all;
+  };
+}