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

Change-Id: I2a255cdcbcd38406f008a26fc0ed68d532e7a721
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68267
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/util/cbfstool/elfheaders.c b/util/cbfstool/elfheaders.c
index 3a53735..39faff2 100644
--- a/util/cbfstool/elfheaders.c
+++ b/util/cbfstool/elfheaders.c
@@ -1174,7 +1174,7 @@
 	metadata_size += (Elf64_Xword)ew->ehdr.e_phnum * ew->ehdr.e_phentsize;
 	shstroffset = metadata_size;
 	/* Align up section header string size and metadata size to 4KiB */
-	metadata_size = ALIGN(metadata_size + shstrlen, 4096);
+	metadata_size = ALIGN_UP(metadata_size + shstrlen, 4096);
 
 	if (buffer_create(out, metadata_size + program_size, "elfout")) {
 		ERROR("Could not create output buffer for ELF.\n");