arm64: perf: Expose some new events via sysfs

mainline inclusion
from mainline-v5.6-rc2
commit 55fdc1f4
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4A1XO
CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=55fdc1f44cd6bb1d61c9ca946d8f7cd67ea0bf36



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Some new PMU events can been detected by PMCEID1_EL0, but it can't
be listed, Let's expose these through sysfs.

Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/1595328573-12751-2-git-send-email-zhangshaokun@hisilicon.com


Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Qi Liu <liuqi115@huawei.com>
Reviewed-by: Yang Jihong <yangjihong1@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>