Rewrite prebuilt SSDT page

Should help new users navigate the site better

Also added X99 and X299 info

extra-files/decompiled/SSDT-UNC.dsl

@@ -0,0 +1,19 @@
+/*
+ * Ensures unsed uncore bridges are disabled, otherwise X79 and X99
+ * will kernel panic in Big Sur with IOPCIFamily. 
+ * SSDT Taken from OpenCorePkg repo
+ */
+
+DefinitionBlock ("", "SSDT", 2, "DRTNIA", "UNC", 0x00000000)
+{
+    External (_SB.UNC0, DeviceObj)
+    External (PRBM, IntObj)
+
+    Scope (_SB.UNC0)
+    {
+        Method (_INI, 0, NotSerialized)
+        {
+            PRBM = 0
+        }
+    }
+}