nl80211: don't hold RTNL in color change request

It's not necessary to hold the RTNL across color change
requests, since all the inner locking needs only the
wiphy mutex which we already hold as well.

Fixes: 0d2ab3ae ("nl80211: add support for BSS coloring")
Link: https://lore.kernel.org/r/20220414140402.32e03e8c261b.I5e7dc6bc563a129b938c43298da6bb4e812400a5@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

net/wireless/nl80211.c

@@ -16273,8 +16273,7 @@ static const struct genl_small_ops nl80211_small_ops[] = {
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 		.doit = nl80211_color_change,
 		.flags = GENL_UNS_ADMIN_PERM,
-		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
-				  NL80211_FLAG_NEED_RTNL,
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
 	},
 	{
 		.cmd = NL80211_CMD_SET_FILS_AAD,