ARM: tegra: tn7: Use the correct DSI/CSI supply

The correct DSI/CSI supply property is called vdd-dsi-csi-supply, so use
that instead of the wrong vdd-supply property.
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra114-tn7.dts

@@ -37,7 +37,7 @@ host1x@50000000 {
 		dsi@54300000 {
 			status = "okay";
 
-			vdd-supply = <&vdd_1v2_ap>;
+			avdd-dsi-csi-supply = <&vdd_1v2_ap>;
 
 			panel@0 {
 				compatible = "lg,ld070wx3-sl01";