sunxi: Enable usb ports on the Sinovoip BPI M3

DLDO3 is used to provide Port-D power and PD is used for the
usb-hub / sata-5v enable pins. The 2.5V comes from the schematic
and matches the factory image fex file.

The dts changes are the minimal changes needed for u-boot to
pick-up the usb host controllers. The upstream kernel does not
(yet) have usb host support.

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

arch/arm/dts/sun8i-a83t-sinovoip-bpi-m3.dts

@@ -57,8 +57,16 @@
 	};
 };
 
+&ehci0 {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins_b>;
 	status = "okay";
 };
+
+&usb_otg {
+	status = "okay";
+};

configs/Sinovoip_BPI_M3_defconfig

@@ -5,6 +5,11 @@ CONFIG_DRAM_TYPE=7
 CONFIG_DRAM_CLK=480
 CONFIG_DRAM_ZQ=15355
 CONFIG_DRAM_ODT_EN=y
+CONFIG_INITIAL_USB_SCAN_DELAY=500
+CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE"
+CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT"
+CONFIG_USB0_ID_DET="PH11"
+CONFIG_USB1_VBUS_PIN="PD24"
 CONFIG_AXP_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="sun8i-a83t-sinovoip-bpi-m3"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
@@ -13,3 +18,7 @@ CONFIG_SPL=y
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 CONFIG_AXP_DCDC5_VOLT=1200
+CONFIG_AXP_DLDO3_VOLT=2500
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_MUSB_HOST=y
+CONFIG_SYS_EXTRA_OPTIONS="SATAPWR=SUNXI_GPD(25)"