riot: add @cn attribute for .cn domains

data/riot

@@ -25,7 +25,7 @@ championshipseriesleague.com
 lcsmerch.com
 leaguehighschool.com
 leagueoflegends.ca
-leagueoflegends.cn
+leagueoflegends.cn @cn
 leagueoflegends.co.kr
 leagueoflegends.com
 leagueoflegends.info
@@ -45,7 +45,7 @@ lolpcs.com
 lolshop.co.kr
 lolstatic.com
 lolusercontent.com
-lpl.com.cn
+lpl.com.cn @cn
 pvp.net
 pvp.tv
 ulol.com