drm/i915: Include port sync state in the state dump

Dump the port sync stat in intel_dump_pipe_config().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200313164831.5980-7-ville.syrjala@linux.intel.com


Reviewed-by: Manasi Navare <manasi.d.anavre@intel.com>