drivers: Add missing #include <commonlib/helpers.h>

ALIGN and ALIGN_UP needs 'helpers.h

Change-Id: Ia18f69b58bae6d841d800dc38745ff27f51cec46
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33659
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/drivers/smmstore/store.c b/src/drivers/smmstore/store.c
index 6f2014b..833407d 100644
--- a/src/drivers/smmstore/store.c
+++ b/src/drivers/smmstore/store.c
@@ -16,6 +16,7 @@
 #include <boot_device.h>
 #include <cbfs.h>
 #include <fmap.h>
+#include <commonlib/helpers.h>
 #include <commonlib/region.h>
 #include <console/console.h>
 #include <smmstore.h>