iwlwifi: enable sending/setting debug host event

This is used for BT node and for any user that wants to
control what events would be send from FW to the driver.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.a9dba2daca59.I2b18bccf0d409f1517c3e2841b667014f9dafc24@changeid


Signed-off-by: Luca Coelho <luciano.coelho@intel.com>