soc: qcom: smp2p: Add snapshot of smp2p driver

This snapshot is taken as of msm-4.14 'commit <67942dbf2187>
("Merge "net: netfilter: IRC DCC for private clients"")'.

Change-Id: I631058fc6aed60ab7de77fc24d04c154f3d0ea2b
Signed-off-by: Chris Lew <clew@codeaurora.org>