MAINTAINERS: drivers/power: add entry for SmartReflex AVS drivers

The SmartReflex AVS driver evolved out of the OMAP kernel and now lives
under drivers/power/avs.

I've historically been maintainer of this but Nishanth Menon is doing most
of the heavy lifting now.  Add us both as co-maintainers.

Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>

MAINTAINERS

@@ -7545,6 +7545,14 @@ S:	Maintained
 F:	Documentation/security/Smack.txt
 F:	security/smack/
 
+SMARTREFLEX DRIVERS FOR ADAPTIVE VOLTAGE SCALING (AVS)
+M:	Kevin Hilman <khilman@kernel.org>
+M:	Nishanth Menon <nm@ti.com>
+S:	Maintained
+F:	drivers/power/avs/smartreflex.c
+F:	include/linux/power/smartreflex.h
+L:	linux-pm@vger.kernel.org
+
 SMC91x ETHERNET DRIVER
 M:	Nicolas Pitre <nico@fluxnic.net>
 S:	Odd Fixes