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/gnome/misc/metacity/fix-paths.patch

@@ -0,0 +1,11 @@
+--- a/src/core/util.c
++++ b/src/core/util.c
+@@ -424,7 +424,7 @@
+                                  g_slist_length (columns)*2 +
+                                  g_slist_length (entries)));
+ 
+-  argvl[i++] = "zenity";
++  argvl[i++] = "@zenity@/bin/zenity";
+   argvl[i++] = type;
+   argvl[i++] = "--display";
+   argvl[i++] = display;