Intel supplies microcode (at least for MinnowBoard) in Intel Assembly *.inc format rather than C header. This change allow to pass in configuration directory with *.inc files rather than list of *.h files. Change-Id: I3c716e5ad42e55ab3a3a67de1e9bf10e58855540 Signed-off-by: Bartek Pastudzki <Bartek.Pastudzki@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/25546 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>