sun7i: Add support for the Orange Pi Mini board

The Orange Pi Mini is an A20 based development board featuring 1G RAM, HDMI,
1Gbit ethernet, USB wifi, SATA, 2 sdcard slots (use the top one for booting),
2 USB 2.0 A receptacles, a micro USB B receptacle (otg) and a 3 ring 3.5 mm
jack connector for A/V.

Also see: http://www.orangepi.org/

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>

board/sunxi/MAINTAINERS

@@ -32,6 +32,7 @@ F:	configs/i12-tvbox_defconfig
 F:	configs/Linksprite_pcDuino3_defconfig
 F:	configs/Linksprite_pcDuino3_fdt_defconfig
 F:	configs/Orangepi_defconfig
+F:	configs/Orangepi_mini_defconfig
 F:	configs/qt840a_defconfig
 F:	configs/Wits_Pro_A20_DKT_defconfig
 F:	include/configs/sun8i.h

configs/Orangepi_mini_defconfig

@@ -0,0 +1,15 @@
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,RGMII,MACPWR=SUNXI_GPH(23),AHCI,USB_EHCI"
+CONFIG_FDTFILE="sun7i-a20-orangepi.dtb"
+CONFIG_MMC_SUNXI_SLOT_EXTRA=3
+CONFIG_MMC0_CD_PIN="PH10"
+CONFIG_MMC3_CD_PIN="PH11"
+CONFIG_GMAC_TX_DELAY=3
+CONFIG_USB1_VBUS_PIN="PH26"
+CONFIG_USB2_VBUS_PIN="PH22"
++S:CONFIG_ARM=y
++S:CONFIG_ARCH_SUNXI=y
++S:CONFIG_MACH_SUN7I=y
++S:CONFIG_DRAM_CLK=432
++S:CONFIG_DRAM_ZQ=127
++S:CONFIG_DRAM_EMR1=4