Kernel+AK: Separate out MACAddress and move it into AK

Author: https://github.com/alimpfard
Commit: 7d0bf9b5a9
Pull-request: https://github.com/SerenityOS/serenity/pull/1620
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bcoles
Reviewed-by: https://github.com/bugaevc

Kernel/Net/NetworkAdapter.h

@@ -28,6 +28,7 @@
 
 #include <AK/ByteBuffer.h>
 #include <AK/Function.h>
+#include <AK/MACAddress.h>
 #include <AK/SinglyLinkedList.h>
 #include <AK/Types.h>
 #include <AK/WeakPtr.h>
@@ -36,7 +37,6 @@
 #include <Kernel/Net/ARP.h>
 #include <Kernel/Net/ICMP.h>
 #include <Kernel/Net/IPv4.h>
-#include <Kernel/Net/MACAddress.h>
 
 namespace Kernel {