arm64: defconfig: enable CONFIG_MMC_SDHCI_CADENCE

Enable the Cadence SD/SDIO/eMMC controller.  This is used on
Socionext UniPhier SoC family.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm64/configs/defconfig

@@ -382,6 +382,7 @@ CONFIG_MMC_SDHCI_ACPI=y
 CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_SDHCI_OF_ARASAN=y
 CONFIG_MMC_SDHCI_OF_ESDHC=y
+CONFIG_MMC_SDHCI_CADENCE=y
 CONFIG_MMC_SDHCI_TEGRA=y
 CONFIG_MMC_SDHCI_MSM=y
 CONFIG_MMC_SPI=y