drm/probe-helper: switch to drm device based logging

Prefer drm_dbg_kms() over DRM_DEBUG_KMS() to debug log the drm device
info.

v2: Drop changes to mode printing (Ville)

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> # v1
Link: https://patchwork.freedesktop.org/patch/msgid/8b6a83edd1c3896b9d652b5368702eba5f382a1c.1712568037.git.jani.nikula@intel.com


Signed-off-by: Jani Nikula <jani.nikula@intel.com>