qcacld-3.0: Add support for 3rd mode when CLI+CLI exists

Currently support is not there for 3rd mode when CLI+CLI
connection is there on DUT.

Update PCL table for 3rd mode when CLI+CLI exsits and add
support to fetch index based on new connection band and
concurrency.

Change-Id: I6041c40b3208d0b33dff2b4f9dc854d2d2dc17a1
CRs-Fixed: 3050537