sm6250-common: overlay: enable DT2W

overlay/frameworks/base/core/res/res/values/config.xml

@@ -591,4 +591,7 @@
     <!-- Maximum screen brightness allowed by the power manager.
          The user is forbidden from setting the brightness above this level. -->
     <integer name="config_screenBrightnessSettingMaximum">255</integer>
+
+    <!-- Whether device supports double tap to wake -->
+    <bool name="config_supportDoubleTapWake">true</bool>
 </resources>