qcacld-3.0: Integrate DSC (vdev up/down/change mode)

The Driver Synchronization Core (DSC) is a set of synchronization
primitives for use by the driver's orchestration layer. It provides APIs
for ensuring safe state transitions (including bring up and tear down)
of major driver objects: a single driver, associated psocs, and their
associated vdevs.

As part of integrating the DSC APIs into HDD, protect vdev up, down, and
mode change.

Change-Id: Ie6c8df3e4166bbfed5496b474bc49ecdb9a8ca91
CRs-Fixed: 2397318
3 files changed