soc: qcom: Add snapshot of GLINK_PKT Driver

This snapshot is taken as of msm-4.9 'commit <7e3149cbad46>
("Merge "ASoC: wcd-dsp-mgr: add WDSP signal for debug dump"")'.

Update copyright, remove out of memory prints and kernel pointer leaks.

Change-Id: Ie6d2be889ff7acfc546dfdf22c34a1a5de7d5130
Signed-off-by: Chris Lew <clew@codeaurora.org>