USB: QTI_DPL: Add support for QTI control with DPL

This change adds required support for QTI control with QDSS driver
for DPL functionality and also handles same with QTI driver.

CRs-Fixed: 701879
Change-Id: I025740c10f3b72ad72d0749f657d81d2ac1b45c9
Signed-off-by: Mayank Rana <mrana@codeaurora.org>