[XS] Change in coreboot[main]: tree: Use gnu23

[Elyes Haouas (Code Review)]

Elyes Haouas has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/85748?usp=email )

Change subject: tree: Use gnu23
......................................................................

tree: Use gnu23

Change-Id: I42c0b3769f0c6e5c2261b9084e229c35576a832d
Signed-off-by: Elyes Haouas 
---
M Makefile.mk
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/85748/1

diff --git a/Makefile.mk b/Makefile.mk
index ca79d05..a576049 100644
--- a/Makefile.mk
+++ b/Makefile.mk
@@ -507,7 +507,7 @@
 CFLAGS_common += -pipe
 CFLAGS_common += -g
 CFLAGS_common += -nostdinc
-CFLAGS_common += -std=gnu11
+CFLAGS_common += -std=gnu23
 CFLAGS_common += -nostdlib
 CFLAGS_common += -Wall
 CFLAGS_common += -Wundef