Input: wistron - disable for x86_64

On x86_64:

{standard input}:233: Error: suffix or operands invalid for `push'
{standard input}:233: Error: suffix or operands invalid for `pop'
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/misc/Kconfig

@@ -42,7 +42,7 @@ config INPUT_M68K_BEEP
 
 config INPUT_WISTRON_BTNS
 	tristate "x86 Wistron laptop button interface"
-	depends on X86
+	depends on X86 && !X86_64
 	help
 	  Say Y here for support of Winstron laptop button interface, used on
 	  laptops of various brands, including Acer and Fujitsu-Siemens.