Flush all changes from the last two weeks. Still several issues not done.

Cleaned up parallel ports.
Reworked serial ports as devices (still need to clean the chipsets..)
Fixed some issues in Makefile.local.
Prepared for the XTA driver.
Reworked the mouse code AGAIN, fixes crashes on some serial mice and the PS/2 mouse.c
Cleaned up win_devconf.c.

src/Makefile.local

@@ -10,7 +10,7 @@
 #		settings, so we can avoid changing the main one for all of
 #		our local setups.
 #
-# Version:	@(#)Makefile.local	1.0.6	2018/04/18
+# Version:	@(#)Makefile.local	1.0.7	2018/04/18
 #
 # Author:	Fred N. van Kempen, <decwiz@yahoo.com>
 #
@@ -55,7 +55,7 @@
 #PROG	:= yourexe
 
 # Build Platform.
-BUILD	:= mingw/Makefile.MinGW
+SCRIPT	:= mingw/Makefile.MinGW
 
 # Various compile-time options.
 # -DROM_TRACE=0xc800 traces ROM access from segment C800
@@ -112,7 +112,7 @@ DYNAREC		:= y
 #########################################################################
 #	    Include the master Makefile.MinGW for the rest.		#
 #########################################################################
-include win/$(BUILD)
+include win/$(SCRIPT)
 
 
 # End of Makefile.local.