Merge branch 'nj7p/swtp6800-v2.1'

Conflicts:
	makefile
	swtp6800/common/bootrom.c
	swtp6800/common/dc-4.c
	swtp6800/common/i2716.c
	swtp6800/common/m6800.c
	swtp6800/common/m6810.c
	swtp6800/common/mp-8m.c
	swtp6800/common/mp-a.c
	swtp6800/common/mp-a2.c
	swtp6800/common/mp-b2.c
	swtp6800/common/mp-s.c
	swtp6800/swtp6800/mp-a2_sys.c
	swtp6800/swtp6800/mp-a_sys.c
	swtp6800/swtp6800/swtp_defs.h