commit d90fa562b20f820f3fd193d256509c404e719738
author Keith Packard <keithp@keithp.com> Thu Jun 23 15:51:06 2022 -0700
committer Carles Cufí <carles.cufi@nordicsemi.no> Fri Jun 24 20:30:03 2022 +0200
tree fac3aef08c5fd908bc3926845c581231671a9a8b
parent d465dbba6da12cdbfe66dd009480a5ecbee8911c

lib/printk: Use picolibc's vfprintf instead of cbvprintf

When using picolibc, change vprintk to use picolibc's vfprintf instead of
cbvprintf.

Building samples/hello-world for qemu-cortex-m3.

old:

Memory region         Used Size  Region Size  %age Used
           FLASH:        9056 B       256 KB      3.45%
            SRAM:        3960 B        64 KB      6.04%
        IDT_LIST:          0 GB         2 KB      0.00%

new:

Memory region         Used Size  Region Size  %age Used
           FLASH:        7900 B       256 KB      3.01%
            SRAM:        3960 B        64 KB      6.04%
        IDT_LIST:          0 GB         2 KB      0.00%

Signed-off-by: Keith Packard <keithp@keithp.com>