[ALSA] ice1712 - Reorganize existing eeprom data

Reorganize EEPROM data (in C99 style).
Signed-of-by: Philipp Matthias Hahn <pmhahn@pmhahn.de>

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>