sunxi: Enable SPL support for A80 Optimus board

The A80 Optimus Board was launched with the Allwinner A80 SoC.
It was jointly developed by Allwinner and Merrii.

This board has a UART port, a JTAG connector, 2 USB host ports, a USB
3.0 OTG connector, an HDMI output, a micro SD slot, 16G eMMC flash,
2G DRAM, a camera sensor interface, a WiFi/BT combo chip, a headphone
jack, IR receiver, and additional GPIO headers.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
[hdegoede@redhat.com: update existing Merrii_A80_Optimus_defconfig
 instead of adding a new defconfig]
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

board/sunxi/MAINTAINERS

@@ -94,6 +94,11 @@ M:	Stefan Mavrodiev <stefan.mavrodiev@gmail.com>
 S:	Maintained
 F:	configs/A33-OLinuXino_defconfig
 
+A80 OPTIMUS BOARD
+M:	Chen-Yu Tsai <wens@csie.org>
+S:	Maintained
+F:	configs/Merrii_A80_Optimus_defconfig
+
 AINOL AW1 BOARD
 M:	Paul Kocialkowski <contact@paulk.fr>
 S:	Maintained

configs/Merrii_A80_Optimus_defconfig

@@ -1,13 +1,18 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN9I=y
-CONFIG_DRAM_CLK=360
-CONFIG_DRAM_ZQ=123
-CONFIG_SYS_CLK_FREQ=1008000000
+CONFIG_DRAM_CLK=672
 CONFIG_MMC0_CD_PIN="PH18"
+CONFIG_MMC_SUNXI_SLOT_EXTRA=2
+CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE"
+CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT"
+CONFIG_USB0_ID_DET="PH3"
+CONFIG_USB1_VBUS_PIN="PH4"
+CONFIG_USB3_VBUS_PIN="PH5"
+CONFIG_AXP_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="sun9i-a80-optimus"
-# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
-CONFIG_CONSOLE_MUX=y
+CONFIG_SPL=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
+CONFIG_AXP809_POWER=y