drivers/gpu: Fix misalignment in comment block

This patch fixes a warning from checkpatch by ensuring the trailing */ is
aligned with the rest of the *, improving readability.

Co-developed-by: Lucas Antonio <[e-mail]>
Signed-off-by: Lucas Antonio <[e-mail]>
Signed-off-by: Bruno Rocha Levi <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/acp/include/acp_gfx_if.h

···
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  *
-*/
+ */
 
 #ifndef _ACP_GFX_IF_H
 #define _ACP_GFX_IF_H