arm/dts: panel: modify lcd reset and vsn off timing

panel vendor suggest the lcd reset to vsn off should be
more than 1ms, add the vsn pre off timing as 2ms

Change-Id: I2ad157dd2491a7d5687f671fa4896fce5b11a79d
Signed-off-by: tanhua1 <tanhua1@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1688705
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key

qcom/bengal-guam-display.dtsi

@@ -10,6 +10,12 @@
     qcom,platform-mot-early-power-enable;
 };
 
+&dsi_panel_pwr_supply {
+        qcom,panel-supply-entry@2 {
+                qcom,supply-pre-off-sleep = <2>;
+        };
+};
+
 &dsi_hlt_hx83102d_video {
 	qcom,mdss-dsi-t-clk-post = <0x0B>;
 	qcom,mdss-dsi-t-clk-pre = <0x23>;

qcom/bengal-guamna-display.dtsi

@@ -10,6 +10,12 @@
     qcom,platform-mot-early-power-enable;
 };
 
+&dsi_panel_pwr_supply {
+        qcom,panel-supply-entry@2 {
+                qcom,supply-pre-off-sleep = <2>;
+        };
+};
+
 &dsi_hlt_hx83102d_video {
 	qcom,mdss-dsi-t-clk-post = <0x0B>;
 	qcom,mdss-dsi-t-clk-pre = <0x23>;