drm/ttm: remove lazy parameter from ttm_bo_wait

Not used any more.

Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 055a08d..c801d90 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -314,7 +314,7 @@
  * Returns -EBUSY if no_wait is true and the buffer is busy.
  * Returns -ERESTARTSYS if interrupted by a signal.
  */
-extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,
+extern int ttm_bo_wait(struct ttm_buffer_object *bo,
 		       bool interruptible, bool no_wait);
 /**
  * ttm_bo_validate