qcacld-3.0: Free Sap acs ch list memory in stop adapter

Currently the SAP memory is not freed as part of stop
adapter as the sap ctx is mem zero in deinit ctx, hence
the addr to free in NULL
Fix is to extract the the sap config from adapter and
then free the sap ch list memory from it.

Change-Id: I8c0bf66765c34f0936d694d260ce1544791beecc
CRs-Fixed: 2530985
4 files changed