iwlwifi: mvm: configure vifs upon D0i3 entry/exit

Upon D0i3 entry/exit, iterate over the active interfaces
and configure them appropriately.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>