M68k
----
The Motorola m68k configuration includes ColdFire support, and
target command for the following ROM monitors.
`target abug DEV'
ABug ROM monitor for M68K.
`target cpu32bug DEV'
CPU32BUG monitor, running on a CPU32 (M68K) board.
`target dbug DEV'
dBUG ROM monitor for Motorola ColdFire.
`target est DEV'
EST-300 ICE monitor, running on a CPU32 (M68K) board.
`target rom68k DEV'
ROM 68K monitor, running on an M68K IDP board.
If GDB is configured with `m68*-ericsson-*', it will instead have
only a single special target command:
`target es1800 DEV'
ES-1800 emulator for M68K.
[context?]
`target rombug DEV'
ROMBUG ROM monitor for OS/9000.