Add a yocto-kernel command allowing users to destroy a recipe-space
kernel feature local to a particular BSP. The removed feature is
subsequently no longer available for the normal feature addition and
removal yocto-kernel commands.
(From meta-yocto rev: faa18f56d9412694f2c8e0b0c09e751cb7f3a743)
Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>