MAINTAINERS: List Arm interconnect PMUs as supported

Whatever I may or may not have hoped for, looking after these drivers
seems to have firmly stuck as one of the responsibilities of the job Arm
pays me for, and I would still like to be aware of any other patches, so
make it official.

CC: Ilkka Koskinen <ilkka@os.amperecomputing.com>
CC: Jing Zhang <renyu.zj@linux.alibaba.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/22ef1687ff3aa9da49b4577b3a179ccc055433ae.1725470837.git.robin.murphy@arm.comSigned-off-by: Will Deacon <will@kernel.org>

MAINTAINERS

@@ -1737,6 +1737,17 @@ F:	drivers/mtd/maps/physmap-versatile.*
 F:	drivers/power/reset/arm-versatile-reboot.c
 F:	drivers/soc/versatile/
 
+ARM INTERCONNECT PMU DRIVERS
+M:	Robin Murphy <robin.murphy@arm.com>
+S:	Supported
+F:	Documentation/admin-guide/perf/arm-cmn.rst
+F:	Documentation/admin-guide/perf/arm-ni.rst
+F:	Documentation/devicetree/bindings/perf/arm,cmn.yaml
+F:	Documentation/devicetree/bindings/perf/arm,ni.yaml
+F:	drivers/perf/arm-cmn.c
+F:	drivers/perf/arm-ni.c
+F:	tools/perf/pmu-events/arch/arm64/arm/cmn/
+
 ARM KOMEDA DRM-KMS DRIVER
 M:	Liviu Dudau <liviu.dudau@arm.com>
 S:	Supported