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/misc/mxt-app/default.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, libtool }:
+
+stdenv.mkDerivation rec {
+  version="1.36";
+  pname = "mxt-app";
+
+  src = fetchFromGitHub {
+    owner = "atmel-maxtouch";
+    repo = "mxt-app";
+    rev = "v${version}";
+    sha256 = "sha256-hS/4d7HUCoulY73Sn1+IAb/IWD4VDht78Tn2jdluzhU=";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+  buildInputs = [ libtool ];
+
+  hardeningDisable = [ "fortify" ];
+
+  meta = with lib; {
+    description = "Command line utility for Atmel maXTouch devices";
+    homepage = "https://github.com/atmel-maxtouch/mxt-app";
+    license = licenses.bsd2;
+    maintainers = [ maintainers.colemickens ];
+    platforms = platforms.linux;
+  };
+}