Buildroot commit f5101638b9 unconditionally
added -std=gnu17 breaking the build with older gcc versions:
https://lore.kernel.org/buildroot/20250815121815.436050ec@windsurf/
Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
[Julien: update message url to use lore]
Signed-off-by: Julien Olivain <ju.o@free.fr>