qcacmn: Replace get_monotonic_boottime() with ktime_get_boottime()

get_monotonic_boottime() and similar functions have been replaced with
ktime_get_boottime() in newer driver versions. Change the calls to
get_monotonic_boottime() in the qdf wrapper to ktime_get_boottime().

Change-Id: I066ffbbcb3a51f8a080fd445397be028ee73ab2e
CRs-Fixed: 2558910
2 files changed