Input: atkbd - allow disabling on X86_PC (if EMBEDDED)

Allow disabling atkbd driver if CONFIG_EMBEDDED is enabled. Previously
it was impossible to disable atkbd on X86_PC.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/keyboard/Kconfig

@@ -13,7 +13,7 @@ menuconfig INPUT_KEYBOARD
 if INPUT_KEYBOARD
 
 config KEYBOARD_ATKBD
-	tristate "AT keyboard" if !X86_PC
+	tristate "AT keyboard" if EMBEDDED || !X86_PC
 	default y
 	select SERIO
 	select SERIO_LIBPS2