Added description of 'include' parser command to the
'wic help kickstart' output.
(From OE-Core rev: 7481f39382e63ecbb5de406559cc28e5689bd974)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>