arm64: add defconfig options for Allwinner SoCs

With the Allwinner platform now supported, enable it in the defconfig
and add some options to give some decent out-of-the-box experience on
those SoCs.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm64/configs/defconfig

@@ -31,6 +31,7 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_ARCH_SUNXI=y
 CONFIG_ARCH_BCM_IPROC=y
 CONFIG_ARCH_BERLIN=y
 CONFIG_ARCH_EXYNOS7=y
@@ -135,12 +136,15 @@ CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y
 CONFIG_VIRTIO_CONSOLE=y
 # CONFIG_HW_RANDOM is not set
 CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_MV64XXX=y
 CONFIG_I2C_QUP=y
 CONFIG_I2C_RCAR=y
 CONFIG_SPI=y
 CONFIG_SPI_PL022=y
 CONFIG_SPI_QUP=y
 CONFIG_PINCTRL_MSM8916=y
+CONFIG_GPIO_SYSFS=y
 CONFIG_GPIO_PL061=y
 CONFIG_GPIO_RCAR=y
 CONFIG_GPIO_XGENE=y
@@ -175,10 +179,12 @@ CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_SDHCI_TEGRA=y
 CONFIG_MMC_SPI=y
+CONFIG_MMC_SUNXI=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_IDMAC=y
 CONFIG_MMC_DW_PLTFM=y
 CONFIG_MMC_DW_EXYNOS=y
+CONFIG_MMC_BLOCK_MINORS=16
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_SYSCON=y
@@ -187,6 +193,7 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_CPU=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_EFI=y
+CONFIG_RTC_DRV_SUN6I=y
 CONFIG_RTC_DRV_XGENE=y
 CONFIG_DMADEVICES=y
 CONFIG_RCAR_DMAC=y