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/applications/emulators/pcem/default.nix

@@ -0,0 +1,29 @@
+{ stdenv, lib, fetchzip, wxGTK31, coreutils, SDL2, openal, alsa-lib, pkg-config
+, autoreconfHook, withNetworking ? true, withALSA ? true }:
+
+stdenv.mkDerivation rec {
+  pname = "pcem";
+  version = "17";
+
+  src = fetchzip {
+    url = "https://pcem-emulator.co.uk/files/PCemV${version}Linux.tar.gz";
+    stripRoot = false;
+    sha256 = "067pbnc15h6a4pnnym82klr1w8qwfm6p0pkx93gx06wvwqsxvbdv";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+  buildInputs = [ wxGTK31 coreutils SDL2 openal ]
+    ++ lib.optional withALSA alsa-lib;
+
+  configureFlags = [ "--enable-release-build" ]
+    ++ lib.optional withNetworking "--enable-networking"
+    ++ lib.optional withALSA "--enable-alsa";
+
+  meta = with lib; {
+    description = "Emulator for IBM PC computers and clones";
+    homepage = "https://pcem-emulator.co.uk/";
+    license = licenses.gpl2Only;
+    maintainers = [ maintainers.terin ];
+    platforms = platforms.linux ++ platforms.windows;
+  };
+}