drm/i915/gem/i915_gem_ttm_move: Fix typo

The mapings should be replaced by mappings.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Deming Wang <wangdeming@inspur.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240513061451.1627-1-wangdeming@inspur.comSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c

@@ -155,7 +155,7 @@ void i915_ttm_adjust_gem_after_move(struct drm_i915_gem_object *obj)
  * @bo: The ttm buffer object.
  *
  * This function prepares an object for move by removing all GPU bindings,
- * removing all CPU mapings and finally releasing the pages sg-table.
+ * removing all CPU mappings and finally releasing the pages sg-table.
  *
  * Return: 0 if successful, negative error code on error.
  */