cvbs: close cvbsoutput when disable module.

PD#154762: cvbs should be closed when cvbs module disabled

Change-Id: Id1dc4ae24e4eea7671ebffbc0f7767a6b4cc9100
Signed-off-by: Nian Jing <nian.jing@amlogic.com>

drivers/amlogic/media/vout/cvbs/cvbs_out.c

@@ -567,6 +567,7 @@ static int cvbs_module_disable(enum vmode_e cur_vmod)
 	cvbs_out_vpu_gate_ctrl(0);
 #endif
 	/* video_dac_disable(); */
+	cvbs_cntl_output(0);
 	return 0;
 }