MAINTAINERS: add entry for AMD energy driver

The kernel driver is part of HWMON subsystem.

Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Link: https://lore.kernel.org/r/20200519155011.56184-3-nchatrad@amd.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

MAINTAINERS

@@ -842,6 +842,13 @@ S:	Supported
 T:	git git://people.freedesktop.org/~agd5f/linux
 F:	drivers/gpu/drm/amd/display/
 
+AMD ENERGY DRIVER
+M:	Naveen Krishna Chatradhi <nchatrad@amd.com>
+L:	linux-hwmon@vger.kernel.org
+S:	Maintained
+F:	Documentation/hwmon/amd_energy.rst
+F:	drivers/hwmon/amd_energy.c
+
 AMD FAM15H PROCESSOR POWER MONITORING DRIVER
 M:	Huang Rui <ray.huang@amd.com>
 L:	linux-hwmon@vger.kernel.org