L2CAP: Clear local id and remote cid in release_ccb

Issue:
Local_id and remote_cid are not cleared in release_ccb.
Due to that in next iteration that particular CCB results in
identifer mismatch.

Fix:
Clearing the local_id iand remote_cid in release_ccb function.

Test: After above steps issue not seen
Tag: #feature
Bug: 208221015
Change-Id: I502da068f3db4ecb3fd65f45bb71b60cb3cc3cc1