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.

Change-Id: I07cea22aa0324b0042353174a7c96e2b98a37b4b
Signed-off-by: Jitendra Naruka <jitendra.naruka@dts.com>
[alexyj@codeaurora.org: fix inclusion of header file
 msm-dts-eagle.h in msm-dts-srs-tm-config.c, resolving
 trivial merge conflicts]
[mikeioannina]: Trim down to just uapi header changes,
 required to compile oreo libqcompostprocbundle
Signed-off-by: Alexy Joseph <alexyj@codeaurora.org>