Input: samsung-keypad - enable compiling on other platforms

There is nothing in keypad platform definitions that requires
the driver be complied on Samsung platform only, so let's move them
out of the platform subdirectory and relax the dependencies.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index d244fdf..1a2b755 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -22,7 +22,7 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
-#include <plat/keypad.h>
+#include <linux/input/samsung-keypad.h>
 
 #define SAMSUNG_KEYIFCON			0x00
 #define SAMSUNG_KEYIFSTSCLR			0x04