disp: msm: dsi: set default value of PPS CMD delay to zero

Fix the default value of post PPS command delay to zero, if
it is not specified as a panel device tree property.

Change-Id: I9aa972839d8be0620036595ac2514290cc6cf697
Signed-off-by: Satya Rama Aditya Pinapala <[email protected]>

msm/dsi/dsi_panel.c

@@ -2628,7 +2628,7 @@ static int dsi_panel_parse_dsc_params(struct dsi_display_mode *mode,
 	rc = utils->read_u32(utils->data, "qcom,mdss-pps-delay-ms", &data);
 	if (rc) {
 		DSI_DEBUG("pps-delay-ms not specified, defaulting to 0\n");
-		priv_info->dsc.pps_delay_ms = 0;
+		data = 0;
 	}
 	priv_info->dsc.pps_delay_ms = data;