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/desktops/plasma-5/breeze-plymouth/default.nix

@@ -0,0 +1,50 @@
+{
+  mkDerivation,
+  lib,
+  extra-cmake-modules,
+  plymouth,
+  nixos-icons,
+  imagemagick,
+  netpbm,
+  perl,
+  logoName ? null,
+  logoFile ? null,
+  osName ? null,
+  osVersion ? null,
+  topColor ? "black",
+  bottomColor ? "black"
+}:
+
+let
+  validColors = [ "black" "cardboard_grey" "charcoal_grey" "icon_blue" "paper_white" "plasma_blue" "neon_blue" "neon_green" ];
+  resolvedLogoName = if (logoFile != null && logoName == null) then lib.strings.removeSuffix ".png" (baseNameOf(toString logoFile)) else logoName;
+in
+  assert lib.asserts.assertOneOf "topColor" topColor validColors;
+  assert lib.asserts.assertOneOf "bottomColor" bottomColor validColors;
+
+
+mkDerivation {
+  pname = "breeze-plymouth";
+  nativeBuildInputs = [ extra-cmake-modules ] ++ lib.optionals (logoFile != null) [ imagemagick netpbm perl ];
+  buildInputs = [ plymouth ];
+  patches = [
+    ./install-paths.patch
+  ];
+  cmakeFlags = []
+    ++ lib.optional (osName      != null) "-DDISTRO_NAME=${osName}"
+    ++ lib.optional (osVersion   != null) "-DDISTRO_VERSION=${osVersion}"
+    ++ lib.optional (logoName    != null) "-DDISTRO_LOGO=${logoName}"
+    ++ lib.optional (topColor    != null) "-DBACKGROUND_TOP_COLOR=${topColor}"
+    ++ lib.optional (bottomColor != null) "-DBACKGROUND_BOTTOM_COLOR=${bottomColor}"
+  ;
+
+  postPatch = ''
+      substituteInPlace cmake/FindPlymouth.cmake --subst-var out
+  '' + lib.optionalString (logoFile != null) ''
+      cp ${logoFile} breeze/images/${resolvedLogoName}.logo.png
+
+      # conversion for 16bit taken from the breeze-plymouth readme
+      convert ${logoFile} -alpha Background -background "#000000" -fill "#000000" -flatten tmp.png
+      pngtopnm tmp.png | pnmquant 16 | pnmtopng > breeze/images/16bit/${resolvedLogoName}.logo.png
+  '';
+}

pkgs/desktops/plasma-5/breeze-plymouth/install-paths.patch

@@ -0,0 +1,19 @@
+Index: breeze-plymouth-5.7.3/cmake/FindPlymouth.cmake
+===================================================================
+--- breeze-plymouth-5.7.3.orig/cmake/FindPlymouth.cmake
++++ breeze-plymouth-5.7.3/cmake/FindPlymouth.cmake
+@@ -24,12 +24,8 @@
+ include(FindPkgConfig)
+ 
+ pkg_check_modules(Plymouth ply-boot-client ply-splash-core)
+-exec_program(${PKG_CONFIG_EXECUTABLE}
+-    ARGS ply-splash-core --variable=pluginsdir
+-    OUTPUT_VARIABLE Plymouth_PLUGINSDIR)
+-exec_program(${PKG_CONFIG_EXECUTABLE}
+-    ARGS ply-splash-core --variable=themesdir
+-    OUTPUT_VARIABLE Plymouth_THEMESDIR)
++set(Plymouth_PLUGINSDIR "@out@/lib/plymouth")
++set(Plymouth_THEMESDIR "@out@/share/plymouth/themes")
+ 
+ find_package_handle_standard_args(Plymouth
+     FOUND_VAR