qcacld-3.0: Support P2P in 6GHz mode
Currently, P2P mode is not supported in 6GHz mode
Add P2P mode in policy_mgr_is_6ghz_conc_mode_supported
API to support P2P mode in 6GHz mode as fix this.
Change-Id: I2e160641c1784dbbd592b237da6b38929f33abbe
CRs-Fixed: 2896291