alsa:hda: add alsa control for eac3 cap. of a dev.

The EAC3 capability of the device is collected from the eld buffer
and it is tranfered to the framework layer through hda capability
control.

Bug 1295255

Change-Id: Ib0f0aa04aab4515a58ac0761c69f080961013159
Signed-off-by: Sayak Ghosh Choudhury <sayakc@nvidia.com>
Reviewed-on: http://git-master/r/234093
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: David Clark <dclark@nvidia.com>
GVS: Gerrit_Virtual_Submit
1 file changed