src: Remove unused include <halt.h>

Change-Id: I2f142cc80692e60eb0f81f57339a247f6ef4a524
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32611
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/northbridge/intel/i945/raminit.c

@@ -26,7 +26,6 @@
 #include <pc80/mc146818rtc.h>
 #include <spd.h>
 #include <string.h>
-#include <halt.h>
 #include "raminit.h"
 #include "i945.h"
 #include "chip.h"