MAINTAINERS: Add perf list for drivers/perf/

drivers/perf/ contains drivers for the perf subsystem, so it makes sense
that the perf list, [email protected], should be
included for perf drivers.

Cc: Will Deacon <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: James Clark <[email protected]>
Signed-off-by: Rob Herring (Arm) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>

Author: robherring

MAINTAINERS

@@ -1920,6 +1920,7 @@ ARM PMU PROFILING AND DEBUGGING
 M:	Will Deacon <[email protected]>
 M:	Mark Rutland <[email protected]>
 L:	[email protected] (moderated for non-subscribers)
+L:	[email protected]
 S:	Maintained
 F:	Documentation/devicetree/bindings/arm/pmu.yaml
 F:	Documentation/devicetree/bindings/perf/