ASoC: Intel: cht-bsw-rt5645: add quirks for SSP0/AIF1/AIF2 routing

This driver may be used on Baytrail CR platforms where SSP2 is
not available.

Add quirks and routing detection based on work done for RT5640.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>