Add new reviewer

Added reviewer and maintainer from IBM side.

Signed-off-by: Jinu Joy Thomas <jinu.joy.thomas@in.ibm.com>
Change-Id: I16734d1076dbf4dcea362c57ef9bf4557c9a0047
diff --git a/MAINTAINERS b/MAINTAINERS
index 3669e1d..d0fc502 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -45,3 +45,4 @@
 M:  Patrick Williams <patrick@stwcx.xyz> <stwcx!>
 M:  Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com> <vishwa!>
 R:  George Liu <liuxiwei@inspur.com> <George Liu!>
+R:  Jinu Joy Thomas <jinu.joy.thomas@in.ibm.com> <Jinu Joy!>