arm64: defconfig: Enable CONFIG_ARM_TEGRA186_CPUFREQ

Enable Tegra186 CPU frequency scaling support by default.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/configs/defconfig

@@ -103,6 +103,7 @@ CONFIG_CPUFREQ_DT=y
 CONFIG_ARM_ARMADA_37XX_CPUFREQ=y
 CONFIG_ARM_BIG_LITTLE_CPUFREQ=y
 CONFIG_ARM_SCPI_CPUFREQ=y
+CONFIG_ARM_TEGRA186_CPUFREQ=y
 CONFIG_ACPI_CPPC_CPUFREQ=m
 CONFIG_NET=y
 CONFIG_PACKET=y