wifi: iwlwifi: mvm: support wowlan info notification version 2

As part of version 2 we don't need to have wake_packet_bufsize
and wake_packet_length. The first one is already calculated by the driver,
the latter is sent as part of the wake packet 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/20230413213309.3b53213b10d4.Ibf2f15aca614def2d262dd267d1aad65931b58f1@changeid


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