src: Remove redundant include <rules.h>

Change-Id: Ie4692246d059734bb5bad6c64042b64068636ab6
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50300
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/drivers/intel/fsp1_1/include/fsp/util.h

@@ -3,7 +3,6 @@
 #ifndef FSP1_1_UTIL_H
 #define FSP1_1_UTIL_H
 
-#include <rules.h>
 #include <arch/cpu.h>
 #include <fsp/api.h>
 /* Current users expect to get the SoC's FSP definitions by including util.h. */