ARM: dts: BCM5301X: Extend RAM to full 256MB for Linksys EA6500 V2

Linksys ea6500-v2 have 256MB of ram. Currently we only use 128MB.
Expand the definition to use all the available RAM.

Fixes: 03e9664 ("ARM: dts: BCM5301X: Add basic DT for Linksys EA6500 V2")
Signed-off-by: Aleksey Nasibulin <[email protected]>
Signed-off-by: Christian Marangi <[email protected]>
Cc: [email protected]
Acked-by: Rafał Miłecki <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Florian Fainelli <[email protected]>

Author: alealexpro100

arch/arm/boot/dts/broadcom/bcm4708-linksys-ea6500-v2.dts

@@ -19,7 +19,8 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x00000000 0x08000000>;
+		reg = <0x00000000 0x08000000>,
+		      <0x88000000 0x08000000>;
 	};
 
 	gpio-keys {