sunxi: config: enable Allwinner SPI driver for A20 OLinuXino LIME 2

configs/A20-OLinuXino-Lime2_defconfig

@@ -1,6 +1,8 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_SPL=y
+CONFIG_FIT=y
+CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_MACH_SUN7I=y
 CONFIG_DRAM_CLK=384
 CONFIG_MMC0_CD_PIN="PH1"
@@ -14,6 +16,8 @@ CONFIG_NR_DRAM_BANKS=1
 CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_CMD_DFU=y
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_SF=y
+CONFIG_CMD_SSPI=y
 CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_SPL_DOS_PARTITION is not set
 # CONFIG_SPL_PARTITION_UUIDS is not set
@@ -29,6 +33,12 @@ CONFIG_AXP_ALDO3_INRUSH_QUIRK=y
 CONFIG_AXP_ALDO3_VOLT=2800
 CONFIG_AXP_ALDO4_VOLT=2800
 CONFIG_SCSI=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DM_SPI=y
+CONFIG_SUNXI_SPI=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_GADGET=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y