ASoC: Intel: Add Broadwell Machine support

Add support for Broadwell based machines with SST DSP audio.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Jie Yang <yang.jie@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --cc sound/soc/intel/Kconfig
Simple merge

diff --cc sound/soc/intel/Makefile
Simple merge

diff --cc sound/soc/intel/broadwell.c
Simple merge