arm64: dts: hip05: Use Cortex specific device node for pmu

Instead of using the generic armv8-pmuv3 compatibility, use
the more specific Cortex A57 compatibility.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/boot/dts/hisilicon/hip05.dtsi

@@ -262,7 +262,7 @@ timer {
 	};
 
 	pmu {
-		compatible = "arm,armv8-pmuv3";
+		compatible = "arm,cortex-a57-pmu";
 		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
 	};