SAP is allowed to come up on SCC with a STA operating
in 6GHz only if the STA is on a PSC channel in VLP mode.
Therefore, filter out all 6GHz channels from the PCL if
the STA operates on any non-VLP mode. Also, in case of
VLP mode, filter out non-PSC channels.
Change-Id: I37d9a510db3647fc07858af99eb614ebe824cc78
CRs-Fixed: 3206471