tests: add zephyr counter and timer api test

The commit verifies below aon counter and timer apis:
	counter_start()
	counter_read()
	counter_set_alarm()
	counter_get_pending_int()

Change-Id: Iaac9a224372ee1c1dd12a223ca222f4485957575
Signed-off-by: Qiu Peiyang <peiyangx.qiu@intel.com>