qcacld-3.0: Avoid scan if no channel found in ACS

If no channel is found suitable for ACS, don't scan
all the channels as done currently by the driver, and
send ACS fail code to the userspace as SAP cannot be
started on the band specified by the use.

Change-Id: I18edff6aaf384384841487d06474fd5fba28fc2f
CRs-Fixed: 2476347
1 file changed