nl80211: vendor-cmd: intel: add more details for IWL_MVM_VENDOR_CMD_HOST_GET_OWNERSHIP

Explain more the expected flow for this command.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://lore.kernel.org/r/20211020051147.29297-1-emmanuel.grumbach@intel.com


Signed-off-by: Johannes Berg <johannes.berg@intel.com>