payloads,src: Replace ALIGN(x, a) by ALIGN_UP(x, a) for clarity

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I80f3d2c90c58daa62651f6fd635c043b1ce38b84
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68255
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

payloads/coreinfo/cbfs_module.c

@@ -68,7 +68,7 @@ static struct cbfile *firstfile(void)
 
 static struct cbfile *nextfile(struct cbfile *f)
 {
-	f = (struct cbfile *)((u8 *)f + ALIGN(ntohl(f->len) + ntohl(f->offset),
+	f = (struct cbfile *)((u8 *)f + ALIGN_UP(ntohl(f->len) + ntohl(f->offset),
 			      ntohl(header->align)));
 	return getfile(f);
 }