arm64: defconfig: Enable SMMU v3 PMCG

HiSilicon Kunpeng920 SoC's SMMU has Performance Monitor Counter Groups(PMCG).
This patch enables related driver in defconfig.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/configs/defconfig

@@ -801,6 +801,7 @@ CONFIG_PHY_ROCKCHIP_TYPEC=y
 CONFIG_PHY_UNIPHIER_USB2=y
 CONFIG_PHY_UNIPHIER_USB3=y
 CONFIG_PHY_TEGRA_XUSB=y
+CONFIG_ARM_SMMU_V3_PMU=m
 CONFIG_FSL_IMX8_DDR_PMU=m
 CONFIG_HISI_PMU=y
 CONFIG_QCOM_L2_PMU=y