ASoC: qcom: add LPASS header files

Add the LPASS header files for ipq806x SOC.  This
includes the register definitions for the ipq806x
LPAIF, and the structure definition for the driver
data.

Signed-off-by: Kenneth Westfield <kwestfie@codeaurora.org>
Acked-by: Banajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>