qcacmn: Add qdf wrapper for ktime, hrtimer related APIs

Add qdf wrapper for ktime, hrtimer related functions
and abstracts in qdf layer. The  wifi driver use the
qdf wrappers for the above APIs.

ktime APIs:
=========
ktime_to_ms
ktime_set
ktime_to_ns
ktime_add_ns
ktime_get
ktime_add
ns_to_ktime

hrtimer APIs:
=====
hrtimer_forward
hrtimer_active
hrtimer_callback_running
hrtimer_cancel
hrtimer_is_queued
hrtimer_get_remaining
tasklet_hrtimer_init
tasklet_hrtimer_cancel

CRs-Fixed: 2138717
Change-Id: Ic4655d6b342f2121a5acc9b1c6bda7aabd154f8f
7 files changed