moonstone: add support for sunstone

Change-Id: I86a25dc6bdc9b892dde3727f20164a6d327bc406
diff --git a/_xiaomi/xiaomipocox5.markdown b/_xiaomi/xiaomipocox5.markdown
index 319f049..f574fce 100644
--- a/_xiaomi/xiaomipocox5.markdown
+++ b/_xiaomi/xiaomipocox5.markdown
@@ -1,7 +1,7 @@
 ---
 layout: device
-title:  "Xiaomi Poco X5 5G"
-codename: moonstone
+title:  "Xiaomi Poco X5 5G & Redmi Note 12 5G"
+codename: moonstone/sunstone
 oem: Xiaomi
 downloadfolder: moonstone
 supportstatus: Current