Use bb.utils.explode_deps to break up the rdepends and rrecommends strings.
This fixes the same issue which was fixed by a number of patches floating
around, but uses explode_deps rather than regular expressions.
(Bitbake rev: 83cdb23f8b89453a3527a276bd0b4deb85d63deb)
Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>