ASoC: Intel: Add makefiles and kconfig changes for KeemBay

Add makefile and kconfig changes for Intel KeemBay platform driver.

Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
Signed-off-by: Sia Jee Heng <jee.heng.sia@intel.com>
Link: https://lore.kernel.org/r/1591682783-1923-3-git-send-email-jee.heng.sia@intel.com


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