There are currently 8 rules in the world_regdom, but only the first 6
are applied due to an incorrect value for n_reg_rules.  This causes
channels 149-165 and 60GHz to be disabled.
Signed-off-by: NJason Abele <jason@aether.com>
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>