perf: hisi: Add support for HiSilicon SoC uncore PMU driver

This patch adds support HiSilicon SoC uncore PMU driver framework and
interfaces.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Anurup M <anurup.m@huawei.com>
[will: Fix leader accounting in uncore group validation]
Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig
index 43525a9..b8f44b0 100644
--- a/drivers/perf/Kconfig
+++ b/drivers/perf/Kconfig
@@ -17,6 +17,13 @@
 	depends on ARM_PMU && ACPI
 	def_bool y
 
+config HISI_PMU
+       bool "HiSilicon SoC PMU"
+       depends on ARM64 && ACPI
+       help
+         Support for HiSilicon SoC uncore performance monitoring
+         unit (PMU), such as: L3C, HHA and DDRC.
+
 config QCOM_L2_PMU
 	bool "Qualcomm Technologies L2-cache PMU"
 	depends on ARCH_QCOM && ARM64 && ACPI