iwlwifi: Configure FW debug preset via module param.

The module param "enable_ini" is currently used to be enable/disable ini.
Add the option to configure the FW debug preset via this module param,
by change it type from boolean to an integer.

Signed-off-by: Ayala Barazani <ayala.barazani@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220304131517.4929e4b14956.I1bdffa4c37d4ee349aa0001978b716b96e38b090@changeid


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