accel/ivpu: Refactor functions in ivpu_fw_log.c

Make function names more consistent and (arguably) readable in
fw log code. Add fw_log_print_all_in_bo() that remove duplicated code in
ivpu_fw_log_print().

Reviewed-by: Tomasz Rusinowicz <tomasz.rusinowicz@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-5-jacek.lawrynowicz@linux.intel.com


Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>