ARM: multi_v7_defconfig: Enable Tegra ACTMON support

This brings the DevFreq framework in and builds the ACTMON driver that
on Tegra124 will scale the external memory clock based on current load.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 2349622..5448d27 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -533,6 +533,8 @@
 CONFIG_MSM_MMCC_8974=y
 CONFIG_TEGRA_IOMMU_GART=y
 CONFIG_TEGRA_IOMMU_SMMU=y
+CONFIG_PM_DEVFREQ=y
+CONFIG_ARM_TEGRA_DEVFREQ=m
 CONFIG_MEMORY=y
 CONFIG_TI_AEMIF=y
 CONFIG_IIO=y