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/liboauth/default.nix

@@ -0,0 +1,33 @@
+{ fetchurl, lib, stdenv, nss, nspr, pkg-config }:
+
+
+stdenv.mkDerivation rec {
+  pname = "liboauth";
+  version = "1.0.3";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/liboauth/${pname}-${version}.tar.gz";
+    sha256 = "07w1aq8y8wld43wmbk2q8134p3bfkp2vma78mmsfgw2jn1bh3xhd";
+  };
+
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = [ pkg-config ];
+
+  propagatedBuildInputs = [ nss nspr ];
+
+  configureFlags = [ "--enable-nss" ];
+
+  postInstall = ''
+    substituteInPlace $out/lib/liboauth.la \
+      --replace "-lnss3" "-L${nss.out}/lib -lnss3"
+  '';
+
+  meta = with lib; {
+    platforms = platforms.all;
+    description = "C library implementing the OAuth secure authentication protocol";
+    homepage = "http://liboauth.sourceforge.net/";
+    license = licenses.mit;
+  };
+
+}