qcacld-3.0: Add support for CNSS USB

Adds support in pld_usb.c for registering with CNSS driver.
pld_usb can now register directly with Linux USB stack or with
CNSS driver.
For QCN7605, registration is to be done with CNSS.

Change-Id: Ibf7e51679e1848bcd8e1acfa43c457f42ff40c0b
CRs-Fixed: 2269602
4 files changed