Add GPU scaling and Vivid Gaming selection

PowerControl/Helpers/AMD/RadeonSoftware.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PowerControl.Helpers.AMD
+{
+    public class RadeonSoftware
+    {
+        public static void Kill()
+        {
+            foreach (var process in Process.GetProcessesByName("RadeonSoftware.exe"))
+            {
+                try { process.Kill(); }
+                catch { }
+            }
+        }
+    }
+}