dts/Devon4G:2nd txd ili panel enable ulps when power off

devon: 2nd txd panel power seq update
enable ulps for deep sleep when display off

Change-Id: I0c0ecc26b2053ea67c3b837513d2f768d45a72bb
Signed-off-by: hujing3 <hujing3@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2283644
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Wang Wang <wangwang1@lenovo.com>
Submit-Approved: Jira Key

qcom/khaje-devon-display.dtsi

@@ -235,6 +235,7 @@
 	qcom,bklt-dcs-2bytes-enabled;
         qcom,mdss-dsi-no-panel-on-read-support;
         qcom,platform-reset-gpio-always-on;
+        qcom,suspend-ulps-enabled;
         qcom,tp_state_check_enable;
 
         qcom,esd-check-enabled;