dts: arm: renesas: rz: Fix unit and first address mismatch

This fixes the following warning:

> unit address and first address in 'reg' (0x80280000) don't match for
> /soc/sckcr@81280004

Signed-off-by: Reto Schneider <[email protected]>

Author: rettichschnidi

dts/arm/renesas/rz/rzt2m.dtsi

@@ -89,7 +89,7 @@
 			reg-io-width = <4>;
 		};
 
-		sckcr: sckcr@81280004 {
+		sckcr: sckcr@80280000 {
 			/* System Clock Control Register*/
 			compatible = "syscon";
 			reg = <0x80280000 0x20>;