Add vishwa as Maintainer

Change-Id: Ic59278cd030c1de6d72e6270f43d579e694f5c8f
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 85a1375..db91154 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -42,4 +42,4 @@
 START OF MAINTAINERS LIST
 -------------------------
 
-M:  Brad Bishop <bradleyb@fuzziesquirrel.com> <radsquirrel!>
\ No newline at end of file
+M:  Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com> <vishwa!>