ARM: dts: at91: sam9x60: Shrink SMC ioremap size

Don't waste memory and map just the registers that are defined.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>

Author: ambarus

arch/arm/boot/dts/sam9x60.dtsi

@@ -653,7 +653,7 @@
 
 			smc: smc@ffffea00 {
 				compatible = "atmel,at91sam9260-smc", "syscon";
-				reg = <0xffffea00 0x200>;
+				reg = <0xffffea00 0x100>;
 			};
 
 			aic: interrupt-controller@fffff100 {