iwlwifi: send PAN parameters

In order for the microcode to be able to handle
multiple interfaces, we need to give it the PAN
parameters that state how to allocate the time
between the two interfaces. Do this, and update
it wherever necessary.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>