src: Remove unneeded include <pc80/keyboard.h>

Change-Id: I0dcdfb1fa782c7936a19de11adcf17387f49d9db
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29309
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

src/mainboard/lenovo/x201/mainboard.c

@@ -25,7 +25,6 @@
 
 #include "dock.h"
 #include <drivers/intel/gma/int15.h>
-#include <pc80/keyboard.h>
 #include <cpu/x86/lapic.h>
 #include <device/pci.h>
 #include <drivers/lenovo/lenovo.h>