Get gfx2 to build from cmds folders Now that gfx2.asm needs to include coco3vtio.d the latter needs to be built first and be accessed from the port-specific defs folder. OTOH the one built in 3rd-party/packages/basic09 is built only later during a full build. (All the different defs folders and .d files still puzzle me.) Also updated coco3fpga/defs/makefile to be based on the coco3 one. The mc09l2 port doesn't need gfx and gfx2. Note for later: This whole build of basic09 components from the 3rdparty folder during the ports builds is not very nice. At a minimum we should try to limit the extra --includedir to the few commands needing it.

--- a/level2/coco3/cmds/makefile	Mon Jul 15 14:39:00 2019 -0500
+++ b/level2/coco3/cmds/makefile	Wed Jul 17 01:14:55 2019 +0200
@@ -5,6 +5,7 @@
 
 DEPENDS		= ./makefile
 AFLAGS          += --includedir=$(3RDPARTY)/packages/basic09
+AFLAGS          += --includedir=../defs
 LFLAGS		+= -L$(NITROS9DIR)/lib
 ifdef	H6309
 LFLAGS		+= -lcoco3_6309