mips: bmips: bcm6358: fix brcm, bcm6358-mc size

Shrink brcm,bcm6358-mc size to avoid overlapping with other controllers

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
diff --git a/arch/mips/dts/brcm,bcm6358.dtsi b/arch/mips/dts/brcm,bcm6358.dtsi
index df75988..0dad998 100644
--- a/arch/mips/dts/brcm,bcm6358.dtsi
+++ b/arch/mips/dts/brcm,bcm6358.dtsi
@@ -133,7 +133,7 @@
 
 		memory-controller@fffe1200 {
 			compatible = "brcm,bcm6358-mc";
-			reg = <0xfffe1200 0x1000>;
+			reg = <0xfffe1200 0x4c>;
 			u-boot,dm-pre-reloc;
 		};
 	};