update OWNERS file

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: I0b2dfa124ba7f1772c266d19de05922181118a43
diff --git a/OWNERS b/OWNERS
index 22775fe..870b4b2 100644
--- a/OWNERS
+++ b/OWNERS
@@ -35,26 +35,22 @@
 - zshelle@us.ibm.com
 
 reviewers:
+- austinfcui@gmail.com
 - ben.tyner@ibm.com
-- bjs@us.ibm.com
 - cnpalmer@us.ibm.com
-- paul.greenwood@ibm.com
 
 matches:
 
 openbmc:
+- name: Austin Cui
+  email: austinfcui@gmail.com
+  discord: NA
 - name: Ben Tyner
   email: ben.tyner@ibm.com
   discord: bentyner
-- name: Brian Stegmiller
-  email: bjs@us.ibm.com
-  discord: NA
 - name: Caleb Palmer
   email: cnpalmer@us.ibm.com
   discord: NA
-- name: Paul Greenwood
-  email: paul.greenwood@ibm.com
-  discord: NA
 - name: Zane Shelley
   email: zshelle@us.ibm.com
   discord: zane131