wifi: iwlwifi: split 22000.c into multiple files

wifi: iwlwifi: split 22000.c into multiple files

Split the configuration list in 22000.c into four new files,
per new device family, so we don't have this huge unusable
file. Yes, this duplicates a few small things, but that's
still much better than what we have now.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230621130443.7543603b2ee7.Ia8dd54216d341ef1ddc0531f2c9aa30d30536a5d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>