MAINTAINERS: Change Bhanuprakash's email address

Current one will become inactive in few weeks.

Cc: Bhanuprakash Modem <bhanuprakash.modem@gmail.com>
Cc: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Cc: Petri Latvala <adrinael@adrinael.net>
Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Cc: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Acked-by: Bhanuprakash Modem <bhanuprakash.modem@gmail.com>
Acked-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Acked-by: Ashutosh Dixit <ashutosh.dixit@intel.com>

MAINTAINERS

@@ -2,5 +2,5 @@ Petri Latvala <adrinael@adrinael.net>
 Arkadiusz Hiler <arek@hiler.eu>
 Kamil Konieczny <kamil.konieczny@linux.intel.com>
 Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
-Bhanuprakash Modem <bhanuprakash.modem@intel.com>
+Bhanuprakash Modem <bhanuprakash.modem@gmail.com>
 Ashutosh Dixit <ashutosh.dixit@intel.com>