wifi: cfg80211: use a struct for inform_single_bss data

The argument is getting quite large, so use a struct internally to pass
around the information.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.831ab8a87b6f.I3bcc83d90f41d6f8a47b39528575dad0a9ec3564@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>