xwiishow: print balance board data
xwiishow: print balance board data

Add a new section which prints balance-board data as four different weight
sensors.

Signed-off-by: David Herrmann <fb53b2ddb8d141e0cb39d7c67c2f81b6bc2eb0f7@gmail.com>

barracks510/xwiimote,dvdhrm/xwiimote,AdamLuchjenbroers/xwiimote,barracks510/xwiimote,barracks510/xwiimote,barracks510/xwiimote,dvdhrm/xwiimote,AdamLuchjenbroers/xwiimote