* ser-e7kpc.c (e7000pc_setstopbits): New function.

* ser-e7kpc.c (e7000pc_setstopbits): New function.
(e7000pc_ops): Add e7000pc_setstopbits.

* remote-e7000.c (e7000_detach, e7000_resume,
e7000_xfer_inferior_memory, e7000_files_info, e7000_files_info,
e7000_insert_breakpoint, e7000_remove_breakpoint, e7000_kill):
Update function signature to match target vector.

* h8300-tdep.c (h8300_command, h8300h_command, h8300s_command):
h8500-tdep.c (small_command, big_command, medium_command,
compact_command): Update function signature to match add_cmd.