Updated LAN driver

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

Driver/baxnet/source/enc624j6net/intervaltimer.i

@@ -0,0 +1,27 @@
+******************************************************************************
+* Name:    intervaltimer.i                                                   *
+* Date:    $Date: 2016-12-18 22:20:04 +0100 (So, 18. Dez 2016) $             * 
+* Authors: Henryk Richter                                                    *
+******************************************************************************
+	ifnd	_INC_INTERVALTIMER_I
+_INC_INTERVALTIMER_I	EQU	1
+
+	include	exec/types.i
+
+	STRUCTURE	IVT_TimerStruct,0
+	ULONG	IVT_Interval		;<1e6 in microseconds
+	LONG	IVT_Signal		;Signal that is sent back to task from interrupt
+	ULONG	IVT_SigMask		;signal mask
+	APTR	IVT_SigTask		;Task that is signaled
+	APTR	IVT_Port
+	APTR	IVT_IORequest
+	APTR	IVT_Device
+	STRUCT	IVT_Int,IS_SIZE		;
+	BYTE	IVT_Init		; !=0 - initialized
+	BYTE	IVT_Runflag		; current status ( !=0 = running )
+	BYTE	IVT_Stopflag		; stop request if != 0
+	BYTE	IVT_Unused		;
+	ULONG	IVT_Counter		; Counter (statistics)
+	LABEL	IVT_Size
+
+	endc				;_INC_TIMERTEST_I