In case the exact board type needs to be determined by probing
or evaluating the eeprom, this flag allows to still set the 
board type via the card=xx insmod option. 
This is an extract of a patch by Francis Barber.
Signed-off-by: NHartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>