qcacmn: Disable simultaneous scan based on ini

Currently the driver allows simultaneous scan irrespective
of the dual mac feature ini config, which can cause
connect latency.

Fix is to disable the simultaneous scan if the dual
mac config ini is configured to disable DBS scan.

Change-Id: I332284880c04955a8ae2ff19eae10313f240d9ae
CRs-Fixed: 2385027
1 file changed