ARM: dts: r8a7793: Adjust SMP routine size

This patch adjusts the definition of the SMP routine size according
to the latest changes made by commit:
"ARM: shmobile: Add watchdog support"

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
index 61c5802..72d9b00 100644
--- a/arch/arm/boot/dts/r8a7793.dtsi
+++ b/arch/arm/boot/dts/r8a7793.dtsi
@@ -392,7 +392,7 @@
 
 			smp-sram@0 {
 				compatible = "renesas,smp-sram";
-				reg = <0 0x10>;
+				reg = <0 0x100>;
 			};
 		};