Change Device maintainer on Redmi 8 in New device tree

Change-Id: Ia0e5b09d93ad75f95ac676f811ca9ec80629ee0d
diff --git a/_xiaomi/xiaomiredmi8.markdown b/_xiaomi/xiaomiredmi8.markdown
index 8fcea55..6ad0160 100644
--- a/_xiaomi/xiaomiredmi8.markdown
+++ b/_xiaomi/xiaomiredmi8.markdown
@@ -4,7 +4,7 @@
 codename: olive
 downloadfolder: olive
 supportstatus: Current
-maintainer: oguzbakir
+maintainer: AltsecDEV
 devicetree: https://github.com/TeamWin/android_device_xiaomi_olive
 oem: Xiaomi
 ---