iwlwifi: mvm: fix the TX queue hang timeout for MONITOR vif type

[ Upstream commit d1b275ffec459c5ae12b5c7086c84175696e5a9f ]

The MONITOR type is missing in the interface type switch.
Add it.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>