msm: ipa: add client for USB DPL

Add a new client to IPA for Data Path Logging.
USB driver will connect this IPA client consumer pipe
for accelerated DPL.

Change-Id: I6d51929c61f75c9578be4995a09664a871ab915a
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Ravit Katzav <rkatzav@codeaurora.org>