qcacmn: Support p2p GO random chan selection

MCL needs the interface type to query policy mgr for PCL
when selecting random channel. The existing API
utils_dfs_get_random_channel doesn't provide the vdev
type. Add new utils_dfs_get_vdev_random_channel
with vdev parameter to support P2P GO random channel
selection.

Change-Id: I0c6841b1692baca92730a6be73653282c98f1682
CRs-Fixed: 2467871
2 files changed