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/opae/default.nix

@@ -0,0 +1,49 @@
+{ lib, stdenv, fetchFromGitHub, cmake
+, libuuid, json_c
+, doxygen, perl, python3
+}:
+
+stdenv.mkDerivation rec {
+  pname = "opae";
+  version = "1.0.0";
+
+  # the tag has a silly name for some reason. drop this in the future if
+  # possible
+  tver    = "${version}-5";
+
+  src = fetchFromGitHub {
+    owner  = "opae";
+    repo   = "opae-sdk";
+    rev    = "refs/tags/${tver}";
+    sha256 = "1dmkpnr9dqxwjhbdzx2r3fdfylvinda421yyg319am5gzlysxwi8";
+  };
+
+  doCheck = false;
+
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=format-truncation"
+    "-Wno-error=address-of-packed-member"
+    "-Wno-array-bounds"
+  ];
+
+  nativeBuildInputs = [ cmake doxygen perl python3.pkgs.sphinx ];
+  buildInputs = [ libuuid json_c python3 ];
+
+  # Set the Epoch to 1980; otherwise the Python wheel/zip code
+  # gets very angry
+  preConfigure = ''
+    find . -type f | while read file; do
+      touch -d @315532800 $file;
+    done
+  '';
+
+  cmakeFlags = [ "-DBUILD_ASE=1" ];
+
+  meta = with lib; {
+    description = "Open Programmable Acceleration Engine SDK";
+    homepage    = "https://01.org/opae";
+    license     = licenses.bsd3;
+    platforms   = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ thoughtpolice ];
+  };
+}