Update TLA2021 DT node to match others

* The ADS1015 compatible string expects "ti," so update the node
  to match this style.

Change-Id: I1fbc9d83dcd5071b945844165e367a8bf95d4cca
diff --git a/coral-enviro-devicetree/coral-enviro-board-overlay.dts b/coral-enviro-devicetree/coral-enviro-board-overlay.dts
index 4d8d91d..52d6a97 100644
--- a/coral-enviro-devicetree/coral-enviro-board-overlay.dts
+++ b/coral-enviro-devicetree/coral-enviro-board-overlay.dts
@@ -30,7 +30,7 @@
 			};
 
 			tla2021@49 {
-				compatible = "tla202x";
+				compatible = "ti,tla202x";
 				reg = <0x49>; /* address */
 				#address-cells = <1>;
 				#size-cells = <0>;