drm/sysfs: switch to drm device based logging

Prefer drm_dbg_kms() and drm_dbg_lease() over DRM_DEBUG_KMS() and
DRM_DEBUG() to debug log the drm device info. Fix some debug categories
and unify connector logging while at it.

v2: Drop superfluous newline

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/7f3dd5b4a33f964c6903c7a964da5397f4084aeb.1712568037.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>