qcacmn: Invoke DFS frequency APIS from vdev_mgr_start_param_update()

To avoid "channel number" collision that was introduced after
6Ghz band was added to the driver, frequency based DFS APIs are invoked
from vdev_mgr_start_param_update().

CRs-Fixed: 2532623
Change-Id: I35d262d10d00df124116a617de4575d00c35cffb
1 file changed