misc: eeprom_93xx46: Add new 93c56 and 93c66 compatible strings

These two devices have respectively 2048 and 4096 bits of storage,
compared to 1024 for the 93c46.

Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Link: https://lore.kernel.org/r/20210511210727.24895-3-linkmauve@linkmauve.fr


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>