The header file `rules.h` is automatically included in the build by the top level makefile using the command: `-include src/soc/intel/common/block/scs/early_mmc.c`. Similar to `config.h` and 'kconfig.h`, this file does not need to be included manually, so remove it. Signed-off-by: Martin Roth <gaumless@gmail.com> Change-Id: I23a1876b4b671d8565cf9b391d3babf800c074db Reviewed-on: https://review.coreboot.org/c/coreboot/+/67348 Reviewed-by: Elyes Haouas <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>