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>

nixos/modules/config/fonts/fontdir.nix

@@ -0,0 +1,67 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.fonts.fontDir;
+
+  x11Fonts = pkgs.runCommand "X11-fonts" { preferLocalBuild = true; } ''
+    mkdir -p "$out/share/X11/fonts"
+    font_regexp='.*\.\(ttf\|ttc\|otf\|pcf\|pfa\|pfb\|bdf\)\(\.gz\)?'
+    find ${toString config.fonts.fonts} -regex "$font_regexp" \
+      -exec ln -sf -t "$out/share/X11/fonts" '{}' \;
+    cd "$out/share/X11/fonts"
+    ${optionalString cfg.decompressFonts ''
+      ${pkgs.gzip}/bin/gunzip -f *.gz
+    ''}
+    ${pkgs.xorg.mkfontscale}/bin/mkfontscale
+    ${pkgs.xorg.mkfontdir}/bin/mkfontdir
+    cat $(find ${pkgs.xorg.fontalias}/ -name fonts.alias) >fonts.alias
+  '';
+
+in
+
+{
+
+  options = {
+    fonts.fontDir = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to create a directory with links to all fonts in
+          <filename>/run/current-system/sw/share/X11/fonts</filename>.
+        '';
+      };
+
+      decompressFonts = mkOption {
+        type = types.bool;
+        default = config.programs.xwayland.enable;
+        defaultText = literalExpression "config.programs.xwayland.enable";
+        description = ''
+          Whether to decompress fonts in
+          <filename>/run/current-system/sw/share/X11/fonts</filename>.
+        '';
+      };
+
+    };
+  };
+
+  config = mkIf cfg.enable {
+
+    environment.systemPackages = [ x11Fonts ];
+    environment.pathsToLink = [ "/share/X11/fonts" ];
+
+    services.xserver.filesSection = ''
+      FontPath "${x11Fonts}/share/X11/fonts"
+    '';
+
+  };
+
+  imports = [
+    (mkRenamedOptionModule [ "fonts" "enableFontDir" ] [ "fonts" "fontDir" "enable" ])
+  ];
+
+}