updating hardware information for M-Audio Firewire 1814
add entry for M-Audio Firewire 1814
snd-firewire: remove snd_efw_stream structure

For easy understanding, remove it.
To replace it, add some member to snd_efw_t (_t?) structure.
add bootloader information at initial state of each devices

Each BeBoB devices have its own bootloader. The basic information can be
retrieved by read address 0xFFFFC8020000.

I add the information of my devices.