use the correct variable userpkgs instead of packages during reload saved
bb file that contains user customization.
Fixes [YOCTO #1289]
(Bitbake rev: 2650be190afc05f9472aca8b11af99205a342838)
Signed-off-by: Jessica Zhang <jessica.zhang@intel.com>
Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>