* remote.c: Add an enumeration for configurable remote
packets.
(remote_protocol_packets, set_remote_protocol_packet_cmd)
(show_remote_protocol_packet_cmd): New.
(remote_protocol_vcont)
(set_remote_protocol_vcont_packet_cmd)
(show_remote_protocol_vcont_packet_cmd)
(remote_protocol_qSymbol)
(set_remote_protocol_qSymbol_packet_cmd)
(show_remote_protocol_qSymbol_packet_cmd)
(remote_protocol_P, set_remote_protocol_P_packet_cmd)
(show_remote_protocol_P_packet_cmd)
(remote_protocol_Z)
(set_remote_protocol_Z_software_bp_packet_cmd)
(show_remote_protocol_Z_software_bp_packet_cmd)
(set_remote_protocol_Z_hardware_bp_packet_cmd)
(show_remote_protocol_Z_hardware_bp_packet_cmd)
(set_remote_protocol_Z_write_wp_packet_cmd)
(show_remote_protocol_Z_write_wp_packet_cmd)
(set_remote_protocol_Z_read_wp_packet_cmd)
(show_remote_protocol_Z_read_wp_packet_cmd)
(set_remote_protocol_Z_access_wp_packet_cmd)
(show_remote_protocol_Z_access_wp_packet_cmd)
(remote_protocol_binary_download)
(set_remote_protocol_binary_download_cmd)
(show_remote_protocol_binary_download_cmd)
(remote_protocol_qPart_auxv)
(set_remote_protocol_qPart_auxv_packet_cmd)
(show_remote_protocol_qPart_auxv_packet_cmd)
(remote_protocol_qGetTLSAddr)
(set_remote_protocol_qGetTLSAddr_packet_cmd)
(show_remote_protocol_qGetTLSAddr_packet_cmd)
(remote_protocol_p)
(set_remote_protocol_p_packet_cmd)
(show_remote_protocol_p_packet_cmd): Delete.
(init_all_packet_configs): Simplify.
(set_remote_protocol_Z_packet_cmd)
(show_remote_protocol_Z_packet_cmd)
(remote_check_symbols, remote_vcont_probe, remote_vcont_resume)
(remote_fetch_registers, remote_prepare_to_store)
(remote_store_registers, check_binary_download)
(remote_write_bytes, remote_insert_breakpoint)
(remote_remove_breakpoint, remote_insert_watchpoint)
(remote_remove_watchpoint, remote_insert_hw_breakpoint)
(remote_remove_hw_breakpoint, remote_xfer_partial)
(remote_get_thread_local_address): Update for packet array.
(_initialize_remote): Likewise; also update for common
set/show commands.