arm: dts: ea3250/phy3250: specify phys memory offset for lpc32xx boards

In case if SDRAM memory region is not populated by a bootloader,
provide this value in device trees for EA3250 and PHY3250 boards.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
diff --git a/arch/arm/boot/dts/phy3250.dts b/arch/arm/boot/dts/phy3250.dts
index 2a2d2cf..79a20f7 100644
--- a/arch/arm/boot/dts/phy3250.dts
+++ b/arch/arm/boot/dts/phy3250.dts
@@ -22,7 +22,7 @@
 
 	memory {
 		device_type = "memory";
-		reg = <0 0x4000000>;
+		reg = <0x80000000 0x4000000>;
 	};
 
 	ahb {