mainstone: use gpio 0 for connection of FPGA instead of hooking into PIC directly

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>

hw/mainstone.c

@@ -140,7 +140,7 @@ static void mainstone_common_init(ram_addr_t ram_size,
     }
 
     mst_irq = sysbus_create_simple("mainstone-fpga", MST_FPGA_PHYS,
-                    qdev_get_gpio_in(cpu->pic, PXA2XX_PIC_GPIO_0));
+                    qdev_get_gpio_in(cpu->gpio, 0));
 
     /* setup keypad */
     printf("map addr %p\n", &map);