qcacld-3.0: Stop ap after register frame

Thread sleep since it uses mutex in SME register frame, one low rate
case which change interface fail since SSR in progress and then P2P
interface up fails. Solution is stopping ap after register frame.

Change-Id: I3831afb2cb61c9d40aa6945def3e0a169a4115a0
CRs-Fixed: 2243849
1 file changed