hwtracing: hisi_ptt: Add tune function support for HiSilicon PCIe Tune and Trace device

mainline inclusion
from mainline-remotes/origin/next
commit 5ca57b03
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5RP8T
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux.git/commit/?id=5ca57b03d8c5de4c59234cc11fe9dd9f13d57f48



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Add tune function for the HiSilicon Tune and Trace device. The interface
of tune is exposed through sysfs attributes of PTT PMU device.

Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20220816114414.4092-4-yangyicong@huawei.com


Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Wangming Shao <shaowangming@h-partners.com>
Reviewed-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: Jay Fang <f.fangjian@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>