Remove assert() and instead use if statement to check if
comm->groups is NULL.
Found-by: klockwork
BUG=None
TEST=Boot to OS
Change-Id: I85a6bc700b52d04c61ca8f2baac62000f40cf2cb
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/28940
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>