drivers/perf: hisi: Update HiSilicon PMU maintainers

drivers/perf: hisi: Update HiSilicon PMU maintainers

Since Guangbin and Shaokun have left HiSilicon and will no longer
maintain the drivers, update the maintainer information and
thanks for their work.

Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20230824024135.1291459-1-shaojijie@huawei.com
[will: left the HNS3 title as-is to avoid the churn of resorting the entries]
Signed-off-by: Will Deacon <will@kernel.org>