ASoC: msm: Integrate Eagle framework to support HeadphoneX 1.1

Add support to integrate the Eagle framework for DTS Headphone:X
audio post processing feature v1.1. Include DTS_EAGLE config for
8994 target to build the feature. It uses hwdep node to receive
required processing parameters from userspace.

Signed-off-by: Jitendra Naruka <jitendra.naruka@dts.com>