r8q: Ship missing thermal config

Change-Id: I8942fb7539dce8a3471ecac8eccdb7ba0a004bf9

proprietary/vendor/etc/btcon.json

@@ -0,0 +1,17 @@
+[
+  {
+    "temp": 360, "freq": -1
+  },
+  {
+    "temp": 380, "freq": 1500000
+  },
+  {
+    "temp": 400, "freq": 1200000
+  },
+  {
+    "temp": 420, "freq": 1000000
+  },
+  {
+    "temp": 440, "freq": 850000
+  }
+]