drm/msm/dpu: Drop extraneous return in dpu_crtc_reassign_planes()

Drop extra return at the end of dpu_crtc_reassign_planes()

Fixes: 774bcfb7 ("drm/msm/dpu: add support for virtual planes")
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c

@@ -1228,8 +1228,6 @@ static int dpu_crtc_reassign_planes(struct drm_crtc *crtc, struct drm_crtc_state
 done:
 	kfree(states);
 	return ret;
-
-	return 0;
 }
 
 static int dpu_crtc_atomic_check(struct drm_crtc *crtc,