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/caprice32/default.nix

@@ -0,0 +1,52 @@
+{ lib, stdenv, fetchFromGitHub, desktop-file-utils, libpng
+, pkg-config, SDL, freetype, zlib }:
+
+stdenv.mkDerivation rec {
+
+  pname = "caprice32";
+  version = "4.6.0";
+  # NOTE: When bumping version beyond 4.6.0, you likely need to remove
+  #       string.patch below. The fix of this patch has already been
+  #       done upstream but is not yet part of a release
+
+  src = fetchFromGitHub {
+    repo = "caprice32";
+    rev = "v${version}";
+    owner = "ColinPitrat";
+    sha256 = "0hng5krwgc1h9bz1xlkp2hwnvas965nd7sb3z9mb2m6x9ghxlacz";
+  };
+
+  nativeBuildInputs = [ desktop-file-utils pkg-config ];
+  buildInputs = [ libpng SDL freetype zlib ];
+
+  patches = [ ./string.patch ];
+
+  makeFlags = [
+    "APP_PATH=${placeholder "out"}/share/caprice32"
+    "RELEASE=1"
+    "DESTDIR=${placeholder "out"}"
+    "prefix=/"
+  ];
+
+  postInstall = ''
+    mkdir -p $out/share/icons/
+    mv $out/share/caprice32/resources/freedesktop/caprice32.png $out/share/icons/
+    mv $out/share/caprice32/resources/freedesktop/emulators.png $out/share/icons/
+
+    desktop-file-install --dir $out/share/applications \
+      $out/share/caprice32/resources/freedesktop/caprice32.desktop
+
+    desktop-file-install --dir $out/share/desktop-directories \
+      $out/share/caprice32/resources/freedesktop/Emulators.directory
+
+    install -Dm644 $out/share/caprice32/resources/freedesktop/caprice32.menu -t $out/etc/xdg/menus/applications-merged/
+  '';
+
+  meta = with lib; {
+    description = "A complete emulation of CPC464, CPC664 and CPC6128";
+    homepage = "https://github.com/ColinPitrat/caprice32";
+    license = licenses.gpl2;
+    maintainers = [ ];
+    platforms = platforms.linux;
+  };
+}