ASoC: Intel: sof_sdw: extends SOF_RT711_JDSRC to 4 bits

commit 683b0df2 ("ASoC: rt711: add two jack detection modes")
added two jack detection modes. Rt711 has 4 JD modes now.
Reserve 4 bits in case rt711 adds more JD modes in the future.

Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210712203240.46960-6-pierre-louis.bossart@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>