NX609J: Add Captain_Throwback as additional maintainer

Change-Id: Ia97263de281aa1c61f9c825307b07c3c2b78598e
diff --git a/_nubia/nubianx609j.markdown b/_nubia/nubianx609j.markdown
index aaec6d4..b306e92 100644
--- a/_nubia/nubianx609j.markdown
+++ b/_nubia/nubianx609j.markdown
@@ -4,7 +4,7 @@
 codename: nx609
 downloadfolder: nx609j
 supportstatus: Current
-maintainer: youyim
+maintainer: youyim, Captain_Throwback
 oem: Nubia
 devicetree: https://github.com/TeamWin/android_device_nubia_nx609j
 ---