sun7i: Add support for Olimex A20-OLinuXino-LIME2-eMMC

This patch adds support for the Olimex OLinuXino Lime2 with eMMC flash
storage.
https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXino-LIME2-eMMC/

It is a assembly variant of the regular Lime2 but featuring eMMC for
storage.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>

board/sunxi/MAINTAINERS

@@ -88,6 +88,11 @@ M:	Iain Paton <ipaton0@gmail.com>
 S:	Maintained
 F:	configs/A20-OLinuXino-Lime2_defconfig
 
+A20-OLINUXINO-LIME2-EMMC BOARD
+M:	Olliver Schinagl <oliver@schinagl.nl>
+S:	Maintained
+F:	configs/A20-OLinuXino-Lime2-eMMC_defconfig
+
 A33-OLINUXINO BOARD
 M:	Stefan Mavrodiev <stefan.mavrodiev@gmail.com>
 S:	Maintained

configs/A20-OLinuXino-Lime2-eMMC_defconfig

@@ -0,0 +1,36 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN7I=y
+CONFIG_DRAM_CLK=384
+CONFIG_MMC0_CD_PIN="PH1"
+CONFIG_MMC_SUNXI_SLOT_EXTRA=2
+CONFIG_USB0_VBUS_PIN="PC17"
+CONFIG_USB0_VBUS_DET="PH5"
+CONFIG_I2C1_ENABLE=y
+CONFIG_SATAPWR="PC3"
+CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-olinuxino-lime2-emmc"
+CONFIG_AHCI=y
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+CONFIG_SPL_I2C_SUPPORT=y
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_DFU=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_FPGA is not set
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
+# CONFIG_SPL_PARTITION_UUIDS is not set
+CONFIG_DFU_RAM=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_RGMII=y
+CONFIG_SUN7I_GMAC=y
+CONFIG_AXP_ALDO3_VOLT=2800
+CONFIG_AXP_ALDO4_VOLT=2800
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_MUSB_GADGET=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Allwinner Technology"
+CONFIG_G_DNL_VENDOR_NUM=0x1f3a
+CONFIG_G_DNL_PRODUCT_NUM=0x1010