Current functionality allows for the removal of certain packages
based on the read-only image feature. This patch extends this
functionality by adding the FORCE_RO_REMOVE variable, which will
remove these packages regardless of any image features.
[ YOCTO #9491 ]
Signed-off-by: Stephano Cetola <stephano.cetola@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>