kernel: Replace nano/task_cycle_get_32()

Replaces calls to nano_cycle_get_32() and task_cycle_get_32()
with sys_cycle_get_32() as that is the preferred API to use.

Change-Id: I0ad1c50083c4cfdd9a26c2f20ba24e065410d90d
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
5 files changed