MAINTAINERS: new entry for MPAM Driver

Create a maintainer entry for the new MPAM Driver. Add myself and
James Morse as maintainers. James created the driver and I have
taken up the later versions of his series.

Cc: James Morse <james.morse@arm.com>
Reviewed-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Ben Horgan <ben.horgan@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Author: benhor01

MAINTAINERS

@@ -17448,6 +17448,16 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/leds/backlight/mps,mp3309c.yaml
 F:	drivers/video/backlight/mp3309c.c
 
+MPAM DRIVER
+M:	James Morse <james.morse@arm.com>
+M:	Ben Horgan <ben.horgan@arm.com>
+R:	Reinette Chatre <reinette.chatre@intel.com>
+R:	Fenghua Yu <fenghuay@nvidia.com>
+S:	Maintained
+F:	drivers/resctrl/mpam_*
+F:	drivers/resctrl/test_mpam_*
+F:	include/linux/arm_mpam.h
+
 MPS MP2869 DRIVER
 M:	Wensheng Wang <wenswang@yeah.net>
 L:	linux-hwmon@vger.kernel.org