drm/i915: Convert pipe_config_infoframe_mismatch() to drm_printer

drm/i915: Convert pipe_config_infoframe_mismatch() to drm_printer

Utilize drm_printer in pipe_config_infoframe_mismatch() to avoid
a bit of code duplication.

hdmi_infoframe_log() can't use the printer of course, but for that
we can just figure out which loglevel to use. And we do need to keep
the explicit drm_debug_enabled(DRM_UT_KMS) since hdmi_infoframe_log()
won't do it for us.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240215164055.30585-5-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>