qcacmn: Use psoc for 6ghz level support

Whether the firmware supports 6ghz channels, needs to be known
before pdev is created. Therefore move the check for 6ghz wmi
service support to psoc..

Change-Id: Iad7717225c49f6c95988f5ac81c7ee405b7c2c9e
CRs-Fixed: 2658111
4 files changed