drm/msm/dpu: clean up some inconsistent indenting

Eliminate the follow smatch warning:
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:411
_dpu_crtc_blend_setup_mixer() warn: inconsistent indenting
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20220208012321.43587-1-yang.lee@linux.alibaba.comSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

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

@@ -408,7 +408,7 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
 	if (ctl->ops.set_active_pipes)
 		ctl->ops.set_active_pipes(ctl, fetch_active);
 
-	 _dpu_crtc_program_lm_output_roi(crtc);
+	_dpu_crtc_program_lm_output_roi(crtc);
 }
 
 /**