gpio-lynxpoint: Add X86 dependency and io-port handling header.

Lynxpoint gpio driver uses X86 specific io-ports to control gpios

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/Kconfig

@@ -303,7 +303,7 @@ config GPIO_GE_FPGA
 
 config GPIO_LYNXPOINT
 	bool "Intel Lynxpoint GPIO support"
-	depends on ACPI
+	depends on ACPI && X86
 	select IRQ_DOMAIN
 	help
 	  driver for GPIO functionality on Intel Lynxpoint PCH chipset

drivers/gpio/gpio-lynxpoint.c

@@ -32,6 +32,7 @@
 #include <linux/acpi.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/io.h>
 
 /* LynxPoint chipset has support for 94 gpio pins */