arm64: defconfig: Enable SDHI and GPIO_REGULATOR

This allows use of the SDHI SD/SDIO controller present on R-Car Gen3 SoCs
and already enabled in the DT of the r8a7795/salvator-x (H3).
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/configs/defconfig

@@ -229,6 +229,7 @@ CONFIG_REGULATOR=y
 CONFIG_MFD_CROS_EC=y
 CONFIG_MFD_CROS_EC_I2C=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_REGULATOR_GPIO=y
 CONFIG_REGULATOR_HI655X=y
 CONFIG_REGULATOR_MAX77620=y
 CONFIG_REGULATOR_PWM=y
@@ -287,6 +288,7 @@ CONFIG_MMC_SDHCI_OF_ESDHC=y
 CONFIG_MMC_SDHCI_TEGRA=y
 CONFIG_MMC_SDHCI_MSM=y
 CONFIG_MMC_SPI=y
+CONFIG_MMC_SDHI=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_EXYNOS=y
 CONFIG_MMC_DW_K3=y