doc: hardware: peripherals: stepper: Migrate to step interval API

Migrates the peripherals documentation to the new step interval based APi
instead of the velocity one.

Signed-off-by: Fabian Blatz <[email protected]>

Author: faxe1008

doc/hardware/peripherals/stepper.rst

@@ -12,15 +12,15 @@ Configure Stepper Driver
   and :c:func:`stepper_get_micro_step_res`.
 - Configure **reference position** in microsteps using :c:func:`stepper_set_reference_position`
   and :c:func:`stepper_get_actual_position`.
-- Set **max velocity** in micro-steps per second using :c:func:`stepper_set_max_velocity`
+- Set **step interval** in nanoseconds between steps using :c:func:`stepper_set_microstep_interval`
 - **Enable** the stepper driver using :c:func:`stepper_enable`.
 
 Control Stepper
 ===============
 
 - **Move by** +/- micro-steps also known as **relative movement** using :c:func:`stepper_move_by`.
 - **Move to** a specific position also known as **absolute movement** using :c:func:`stepper_move_to`.
-- Run continuously with a **constant velocity** in a specific direction until
+- Run continuously with a **constant step interval** in a specific direction until
   a stop is detected using :c:func:`stepper_run`.
 - Check if the stepper is **moving** using :c:func:`stepper_is_moving`.
 - Register an **event callback** using :c:func:`stepper_set_event_callback`.