audio-lnx: Propagate changes from kernel for wdsp-glink/avtimer

Pick the WDSP-Glink and avtimer drivers from 4.9 kernel
at below cutoff -

(80be7d6a - "msm: ADSPRPC: Fix for NULL pointer dereference")

This changes are done to migrate wdsp-glink/avtimer drivers
to this new audio kernel techpack.
Also remove the CDSP loader from techpack audio as it is
non-audio related.

Change-Id: I4f55429c5cbcd24920fdcb8eb2fe3aec02af320e
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>