Add Sumanth and Richard to reviewers

Signed-off-by: Sumanth Bhat <sumanth.bhat@linux.intel.com>
Change-Id: Ic567878ab5b755847ca5c090104678d1b546a48d
diff --git a/MAINTAINERS b/MAINTAINERS
index e614e01..8476412 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -45,3 +45,5 @@
 M:  Jeremy Kerr <jk@ozlabs.org> <jk-!>
 M:  Andrew Jeffery <andrew@aj.id.au> <amboar!>
 R:  Iwona Winiarska <iwona.winiarska@intel.com> <iklm!>
+R:  Sumanth Bhat <sumanth.bhat@linux.intel.com> <sumanthb!>
+R:  Richard Thomaiyar <richard.marian.thomaiyar@linux.intel.com> <rthomaiy123!>