MAINTAINERS: Change Ratan's email address

Signed-off-by: Ratan Gupta <ratankgupta31@gmail.com>
Change-Id: I3ee90a79dc61f796b9983107ae70375d928863a8
diff --git a/MAINTAINERS b/MAINTAINERS
index daf824e..f80e061 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -42,5 +42,5 @@
 START OF MAINTAINERS LIST
 -------------------------
 
-M:  Ratan Gupta <ratagupt@linux.vnet.ibm.com> <rgupta!>
+M:  Ratan Gupta <ratankgupta31@gmail.com> <rgupta!>
 M:  Richard Thomaiyar <richard.marian.thomaiyar@linux.intel.com> <rthomaiy123!>