drm/atomic-helper: Fix spelling mistake "preceeding" -> "preceding"

There is a typo in the kernel documentation for function
drm_atomic_helper_wait_for_dependencies. Fix it.
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231027024459.12793-1-chentao@kylinos.cn

drivers/gpu/drm/drm_atomic_helper.c

@@ -2373,10 +2373,10 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,
 EXPORT_SYMBOL(drm_atomic_helper_setup_commit);
 
 /**
- * drm_atomic_helper_wait_for_dependencies - wait for required preceeding commits
+ * drm_atomic_helper_wait_for_dependencies - wait for required preceding commits
  * @old_state: atomic state object with old state structures
  *
- * This function waits for all preceeding commits that touch the same CRTC as
+ * This function waits for all preceding commits that touch the same CRTC as
  * @old_state to both be committed to the hardware (as signalled by
  * drm_atomic_helper_commit_hw_done()) and executed by the hardware (as signalled
  * by calling drm_crtc_send_vblank_event() on the &drm_crtc_state.event).