MAINTAINERS: Hand off zaius to Rob Lippert

I'm no longer reviewing OpenBMC code.

Signed-off-by: Xo Wang <xow@google.com>
Change-Id: I1f8efcc9ede518d1f81eb6c25d1eb6ca302a02d2
diff --git a/MAINTAINERS b/MAINTAINERS
index e480812..e4ec3f7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -138,7 +138,7 @@
 R:  Patrick Venture <venture@google.com> <venture!>
 
 @openbmc://meta-openpower/meta-ingrasys/meta-zaius/*
-R:  Xo Wang <xow@google.com> <GHF!>
+R:  Robert Lippert <rlippert@google.com> <rlippert!>
 
 @openbmc://meta-openpower/meta-ibm/meta-firestone/*
 R:  Lei YU <mine260309@gmail.com> # TODO: MISSING IRC HANDLE