sun7i: Add support for the MK808C board

The MK808C is a Allwinner based Android TV dongle.

It features a A20 SOC, 1G RAM, 8GB NAND, HDMI out, A/V out,
1 USB A, 1 USB mini OTG, Bluetooth and Wireless LAN.

Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

board/sunxi/MAINTAINERS

@@ -106,6 +106,11 @@ M:	Ian Campbell <ijc@hellion.org.uk>
 S:	Maintained
 F:	configs/Mele_M5_defconfig
 
+MK808C BOARD
+M:	Marcus Cooper <codekipper@gmail.com>
+S:	Maintained
+F:	configs/MK808C_defconfig
+
 MSI-PRIMO73 BOARD
 M:	Siarhei Siamashka <siarhei.siamashka@gmail.com>
 S:	Maintained

configs/MK808C_defconfig

+# The MK808C is an Allwinner based Android TV dongle.
+#
+# It features a A20 SOC, 1G RAM, 8GB NAND, HDMI out, A/V out,
+# 1 USB A, 1 USB mini OTG, Bluetooth and Wireless LAN.
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,USB_EHCI"
+CONFIG_FDTFILE="sun7i-a20-mk808c.dtb"
++S:CONFIG_ARM=y
++S:CONFIG_ARCH_SUNXI=y
++S:CONFIG_MACH_SUN7I=y
++S:CONFIG_DRAM_CLK=384
++S:CONFIG_DRAM_ZQ=127
++S:CONFIG_DRAM_EMR1=4