Use Imagination vendor for MAC addresses

shill ignores interfaces with locally defined MAC addresses so use
default addresses from the top of range of the Imagination vendor
block
diff --git a/arch/mips/boot/dts/pistachio/pistachio_marduk.dts b/arch/mips/boot/dts/pistachio/pistachio_marduk.dts
index f7257eb..3ab9272 100644
--- a/arch/mips/boot/dts/pistachio/pistachio_marduk.dts
+++ b/arch/mips/boot/dts/pistachio/pistachio_marduk.dts
@@ -242,7 +242,7 @@
 &enet {
 	status = "okay";
 
-	mac-address = [0123456789AB];
+	mac-address = [0019f5ffff00];
 };
 
 &pin_enet_phy_clk {
@@ -285,8 +285,8 @@
 
 &wifi {
        status = "okay";
-       mac-address0 = [0123456789AC];
-       mac-address1 = [0123456789AD];
+       mac-address0 = [0019f5ffff01];
+       mac-address1 = [0019f5ffff02];
        rf-params = [1A1c1f24292e33383c4045484d5157595d6165686d712023263d3135393c41454a4d505356595c5f6164672023282c3135393d4145494d53565a5e626567696c1c20252b3134373c4144484d52555a5e62666a6f742023282c31363a3e4245494e51575b5f63666b71761c1f24292e33383c4045494d5155585b5e62666a6f1e22262d3135393d42464b4e52575a5c6064676b702023282c3135393d4145494d5356595b5e606366692023272a31363b3f44484c5054575a5e6165696d711f2225292f33383c4043474c5054595d6165696d730B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B0B];
        num_streams = [02];
 };