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/libpam-wrapper/default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv
+, fetchgit
+, cmake
+, linux-pam
+, enablePython ? false
+, python ? null
+}:
+
+assert enablePython -> python != null;
+
+stdenv.mkDerivation rec {
+  pname = "libpam-wrapper";
+  version = "1.1.3";
+
+  src = fetchgit {
+    url = "git://git.samba.org/pam_wrapper.git";
+    rev = "pam_wrapper-${version}";
+    sha256 = "00mqhsashx7njrvxz085d0b88nizhdy7m3x17ip5yhvwsl63km6p";
+  };
+
+  nativeBuildInputs = [ cmake ] ++ lib.optional enablePython [ python ];
+
+  # We must use linux-pam, using openpam will result in broken fprintd.
+  buildInputs = [ linux-pam ];
+
+  meta = with lib; {
+    description = "Wrapper for testing PAM modules";
+    homepage = "https://cwrap.org/pam_wrapper.html";
+    license = licenses.gpl3Plus;
+    maintainers = [ maintainers.elyhaka ];
+    platforms = platforms.linux;
+  };
+}