MAINTAINERS: Add hisilicon PMU JSON events under its entry

The all hisilicon PMU JSON events were missing to be listed there.

Reviewed-by: James Clark <[email protected]>
Signed-off-by: Junhao He <[email protected]>
Acked-by: Jonathan Cameron <[email protected]>
Acked-by: Yicong Yang <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: John Garry <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Mike Leach <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Will Deacon <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: Junhao He

MAINTAINERS

@@ -10726,6 +10726,7 @@ W:	http://www.hisilicon.com
 F:	Documentation/admin-guide/perf/hisi-pcie-pmu.rst
 F:	Documentation/admin-guide/perf/hisi-pmu.rst
 F:	drivers/perf/hisilicon
+F:	tools/perf/pmu-events/arch/arm64/hisilicon/
 
 HISILICON PTT DRIVER
 M:	Yicong Yang <[email protected]>