cml1: remove redundant addtask

The configure task is added by base.bbclass, no need to do it again.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 2d7897bc)
Signed-off-by: Steve Sakoman <steve@sakoman.com>