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/development/libraries/libmodulemd/glib-devdoc.patch

@@ -0,0 +1,13 @@
+diff --git a/meson.build b/meson.build
+index a8b02b4..dd31a76 100644
+--- a/meson.build
++++ b/meson.build
+@@ -67,7 +67,7 @@ test = find_program('test')
+ with_docs = get_option('with_docs')
+ if with_docs
+   gtkdoc = dependency('gtk-doc')
+-  glib_docpath = join_paths(glib_prefix, 'share', 'gtk-doc', 'html')
++  glib_docpath = join_paths('@glib_devdoc@', 'share', 'gtk-doc', 'html')
+ 
+   ret = run_command ([test, '-e', join_paths(glib_docpath, 'glib/index.html')])
+   if ret.returncode() != 0