xxx: addign fix mac to hsdk

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 67a6df0..27cbbf1 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -218,7 +218,7 @@
 			phy-handle = <&phy0>;
 			resets = <&cgu_rst HSDK_ETH_RESET>;
 			reset-names = "stmmaceth";
-			mac-address = [00 00 00 00 00 00]; /* Filled in by U-Boot */
+			mac-address = [aa 21 c7 cc 86 76]; /* Filled in by U-Boot */
 			dma-coherent;
 
 			tx-fifo-depth = <4096>;