sunxi: Add mk802ii board / defconfig

The mk802ii is a revised version of the mk802 A10 based hdmi tv-stick, it
features 1G RAM, 4G nand, a hdmi male connector, USB-A receptacle, 2 micro
usb receptacles (OTG & power) and USB-wifi, and does come with an axp209 pmic.

For more details see: http://linux-sunxi.org/Rikomagic_mk802ii

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

board/sunxi/MAINTAINERS

@@ -10,6 +10,7 @@ F:	configs/Mele_A1000_defconfig
 F:	configs/Mele_M3_defconfig
 F:	configs/Mini-X_defconfig
 F:	configs/mk802_defconfig
+F:	configs/mk802ii_defconfig
 F:	include/configs/sun5i.h
 F:	configs/A10s-OLinuXino-M_defconfig
 F:	configs/A13-OLinuXino_defconfig

configs/mk802ii_defconfig

@@ -0,0 +1,9 @@
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,USB_EHCI"
+CONFIG_FDTFILE="sun4i-a10-mk802ii.dtb"
++S:CONFIG_ARM=y
++S:CONFIG_ARCH_SUNXI=y
++S:CONFIG_MACH_SUN4I=y
++S:CONFIG_DRAM_CLK=360
++S:CONFIG_DRAM_ZQ=123
++S:CONFIG_DRAM_EMR1=0