Use non-inline OS-abstraction APIs to avoid OS APIs usage directly in
driver.
Add new non-inline OS-abstraction APIs.
CRs-Fixed: 2742480
Change-Id: I177b41d69ca8f102fa67316d8901b6991dea3203
The API's added in qal & qdf for abstracting the
OS calls are inlined and moved to the OS-specific
src directories.
Change-Id: I9c9c2cbba7702c97fbe343ceb63b330c2296084d