fireworks/bebob: migration from Linux 3.8 to Linux 3.11

Juju, the nickname for Linux Firewire Stack, changes some API at Linux 3.11.
This commit change some codes according to it so these modules cannot be build
in older kernel.
bebob: shorten the name related to CMP

'input_connection' to 'in_conn'
'outout_connection' to 'out_conn'
bebob: allow INTERIM state for set_sampling_rate()

M-Audio Firewire 410 returns INTERIUM when 'INPUT PLUG SIGNAL FORMAT' command
is executed to set sampling rate. This commit allow it.