xilinx_zynq: Fix wrong IRQ number of the second EHCI controller

The IRQ number of the second EHCI controller should be 76, not 75.

Signed-off-by: Liming Wang <walimisdev@gmail.com>
Tested-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

hw/xilinx_zynq.c

@@ -168,7 +168,7 @@ static void zynq_init(QEMUMachineInitArgs *args)
     zynq_init_spi_flashes(0xE000D000, pic[51-IRQ_OFFSET], true);
 
     sysbus_create_simple("xlnx,ps7-usb", 0xE0002000, pic[53-IRQ_OFFSET]);
-    sysbus_create_simple("xlnx,ps7-usb", 0xE0003000, pic[75-IRQ_OFFSET]);
+    sysbus_create_simple("xlnx,ps7-usb", 0xE0003000, pic[76-IRQ_OFFSET]);
 
     sysbus_create_simple("cadence_uart", 0xE0000000, pic[59-IRQ_OFFSET]);
     sysbus_create_simple("cadence_uart", 0xE0001000, pic[82-IRQ_OFFSET]);