same mac for all examples

Author: Rotzbua

examples/DhcpAddressPrinter/DhcpAddressPrinter.ino

@@ -22,7 +22,7 @@
 // Enter a MAC address for your controller below.
 // Newer Ethernet shields have a MAC address printed on a sticker on the shield
 byte mac[] = {
-  0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02
+  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
 };
 
 void setup() {

examples/DhcpChatServer/DhcpChatServer.ino

@@ -27,7 +27,7 @@
 // The IP address will be dependent on your local network.
 // gateway and subnet are optional:
 byte mac[] = {
-  0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02
+  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
 };
 IPAddress ip(192, 168, 1, 177);
 IPAddress myDns(192, 168, 1, 1);