FP5: overlay: Enable Smooth Display setting

FP5 has peak refresh rate higher than
60 Hz, so allow users to toggle high-refresh rate like on stock.

Change-Id: I7fcbb905b61575de8c5e9d9a935463932551fb6a
diff --git a/overlay/SettingsResCommon/res/values/config.xml b/overlay/SettingsResCommon/res/values/config.xml
new file mode 100644
index 0000000..305287c
--- /dev/null
+++ b/overlay/SettingsResCommon/res/values/config.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: 2022 The LineageOS Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <!-- Whether to show Smooth Display feature in Settings Options -->
+    <bool name="config_show_smooth_display">true</bool>
+</resources>