s390/boot: Add %% support to boot_printk()

Add "%%" support for the boot_printk() format string.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
This commit is contained in:
Vasily Gorbik 2024-11-20 15:58:56 +01:00 • committed by Alexander Gordeev
commit dccac2b22b