wifi: iwlwifi: mvm: extend alive timeout to 2 seconds

There are devices that need longer time to get the alive notification.

Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231011130030.f1f0aa1794e6.I34a06ef24b642a32af69c0bd109694de469d5177@changeid


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