[POWERPC] 4xx: Change dts files to support jumbo frames

This patch changes the "max-frame-size" property to 9000 for all gbit
enabled 4xx boards. All those ports generally support jumbo frames, so
let's give the user a chance to enable it.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
diff --git a/arch/powerpc/boot/dts/makalu.dts b/arch/powerpc/boot/dts/makalu.dts
index 710c011..84cc5e7 100644
--- a/arch/powerpc/boot/dts/makalu.dts
+++ b/arch/powerpc/boot/dts/makalu.dts
@@ -219,7 +219,7 @@
 				mal-tx-channel = <0>;
 				mal-rx-channel = <0>;
 				cell-index = <0>;
-				max-frame-size = <5dc>;
+				max-frame-size = <2328>;
 				rx-fifo-size = <1000>;
 				tx-fifo-size = <800>;
 				phy-mode = "rgmii";
@@ -247,7 +247,7 @@
 				mal-tx-channel = <1>;
 				mal-rx-channel = <1>;
 				cell-index = <1>;
-				max-frame-size = <5dc>;
+				max-frame-size = <2328>;
 				rx-fifo-size = <1000>;
 				tx-fifo-size = <800>;
 				phy-mode = "rgmii";