Propose Devender as a maintainer

And removing myself - I've not been able to spend a lot of time
reviewing certificate code, due to time spent on other applications.
Devender has significant contributions in the certificate upload and
generate area over the last few months.

Change-Id: I4046b7479432003ae41acf47e31606f8fa6881bf
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index fbad2df..6de0ce7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -44,5 +44,5 @@
 
 M:  Jayanth Othayoth <ojayanth@in.ibm.com> <jayanth!>
 M:  Ed Tanous <ed.tanous@intel.com> <EdTanous!>
-M:  Deepak Kodihalli <dkodihal@linux.vnet.ibm.com> <dkodihal!>
-R:  Devender Rao <devenrao@in.ibm.com> <devenrao!>
+R:  Deepak Kodihalli <dkodihal@linux.vnet.ibm.com> <dkodihal!>
+M:  Devender Rao <devenrao@in.ibm.com> <devenrao!>