Updated LAN driver

- changed directory layout
- Multicast support (automatic RX filter adjustment)
- MC68000 target in Makefile
- clarified licensing (GPLv3)
- README files

Driver/baxnet/source/deviceheader.c

@@ -0,0 +1,50 @@
+/*
+   Device Header - ROMTAG
+
+   (C) 2018 Henryk Richter <henryk.richter@gmx.net>
+
+   taken from commandline (compiler options)
+    -DDEVICENAME=blah.device
+    -DDEVICEVERSION=45
+    -DDEVICEREVISION=36
+    -DDEVICEDATE=2.12.2012
+
+*/
+
+#include <exec/resident.h>
+#include <exec/nodes.h>
+#include <exec/initializers.h>
+#include <exec/libraries.h>
+#include "compiler.h"
+#include "device.h"
+
+/* Enable this if you want pure C for the device. (disable compilation of romtag.asm in that case)
+   I personally prefer the small ASM blob to steer away from linking challenges.
+*/
+#if  1
+
+ASM LONG LibNull( void )
+{
+	return 0;
+}
+
+extern const char DeviceName[];
+extern const char DeviceVersionString[];
+extern const APTR DeviceInitTab[];
+
+const struct Resident _00RomTag = {
+	RTC_MATCHWORD,
+	( struct Resident* ) &_00RomTag,
+	( struct Resident* ) &_00RomTag + 1,
+	RTF_AUTOINIT,
+	DEVICEVERSION,
+	NT_DEVICE,
+	0,
+	(char*)DeviceName,
+	(char*)DeviceVersionString+6,
+	(APTR)DeviceInitTab
+};
+#endif
+
+
+