ARM64: zynqmp: Wire up both USBs available on ZynqMP

The second USB wasn't enabled. This patch fixes it.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index 0c5d997..7b4b5ff 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -283,13 +283,20 @@
 }
 
 #ifdef CONFIG_USB_DWC3
-static struct dwc3_device dwc3_device_data = {
+static struct dwc3_device dwc3_device_data0 = {
 	.maximum_speed = USB_SPEED_HIGH,
 	.base = ZYNQMP_USB0_XHCI_BASEADDR,
 	.dr_mode = USB_DR_MODE_PERIPHERAL,
 	.index = 0,
 };
 
+static struct dwc3_device dwc3_device_data1 = {
+	.maximum_speed = USB_SPEED_HIGH,
+	.base = ZYNQMP_USB1_XHCI_BASEADDR,
+	.dr_mode = USB_DR_MODE_PERIPHERAL,
+	.index = 1,
+};
+
 int usb_gadget_handle_interrupts(void)
 {
 	dwc3_uboot_handle_interrupt(0);
@@ -298,7 +305,16 @@
 
 int board_usb_init(int index, enum usb_init_type init)
 {
-	return dwc3_uboot_init(&dwc3_device_data);
+	debug("%s: index %x\n", __func__, index);
+
+	switch (index) {
+	case 0:
+		return dwc3_uboot_init(&dwc3_device_data0);
+	case 1:
+		return dwc3_uboot_init(&dwc3_device_data1);
+	};
+
+	return -1;
 }
 
 int board_usb_cleanup(int index, enum usb_init_type init)