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/pantheon/desktop/elementary-gsettings-schemas/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, runCommand
+, mutter
+, elementary-default-settings
+, glib
+, gala
+, epiphany
+, gnome-settings-daemon
+, gtk3
+, elementary-dock
+, gsettings-desktop-schemas
+, extraGSettingsOverrides ? ""
+, extraGSettingsOverridePackages ? []
+}:
+
+let
+
+  gsettingsOverridePackages = [
+    elementary-dock
+    gnome-settings-daemon
+    epiphany
+    gala
+    gsettings-desktop-schemas
+    gtk3
+    mutter
+  ] ++ extraGSettingsOverridePackages;
+
+in
+
+with lib;
+
+# TODO: Having https://github.com/NixOS/nixpkgs/issues/54150 would supersede this
+runCommand "elementary-gsettings-desktop-schemas" {}
+  ''
+     schema_dir=$out/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas
+
+     mkdir -p $schema_dir
+
+     cp -rf ${glib.getSchemaPath gala}/*.gschema.override $schema_dir
+
+     ${concatMapStrings (pkg: "cp -rf ${glib.getSchemaPath pkg}/*.xml $schema_dir\n") gsettingsOverridePackages}
+
+     chmod -R a+w $out/share/gsettings-schemas/nixos-gsettings-overrides
+     cp ${glib.getSchemaPath elementary-default-settings}/* $schema_dir
+
+     cat - > $schema_dir/nixos-defaults.gschema.override <<- EOF
+     ${extraGSettingsOverrides}
+     EOF
+
+     ${glib.dev}/bin/glib-compile-schemas $schema_dir
+  ''