MAINTAINERS: Change Ratan's email address

Signed-off-by: Ratan Gupta <ratankgupta31@gmail.com>
Change-Id: I001dcccbf0fcb759d69d5ae2b678e93a96a0f5f4
diff --git a/MAINTAINERS b/MAINTAINERS
index fb20961..83b2329 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!>
 R:  Marri Devender <devenrao@in.ibm.com> <devenrao!>