drivers/mrc_cache: Reduce severity of `region not found` log message

On autogenerated FMAPs, there's no `UNIFIED_MRC_CACHE` region. The
current code will print a spurious error message about it, though.

Reduce the log level to BIOS_INFO to avoid confusion.

Change-Id: I0961bb2a7d2d81dc5c0d28f6e6c29b320421fc3e
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45076
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions