arm64: configs: Enable sun50i cpufreq nvmem

Allwinner H6 needs this driver to be able to get
the correct speed_bin required for DVFS.

Enable this option in arm64 defconfig.
Signed-off-by: NClément Péron <peron.clem@gmail.com>
Signed-off-by: NMaxime Ripard <maxime@cerno.tech>

arch/arm64/configs/defconfig

@@ -84,6 +84,7 @@ CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
 CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
 CONFIG_CPUFREQ_DT=y
 CONFIG_ACPI_CPPC_CPUFREQ=m
+CONFIG_ARM_ALLWINNER_SUN50I_CPUFREQ_NVMEM=m
 CONFIG_ARM_ARMADA_37XX_CPUFREQ=y
 CONFIG_ARM_SCPI_CPUFREQ=y
 CONFIG_ARM_IMX_CPUFREQ_DT=m