i2c, ppc4xx_i2c: switch to new multibus/multiadapter support

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Cc: Heiko Schocher <hs@denx.de>
Cc: Stefan Roese <sr@denx.de>
Tested-by: Stefan Roese <sr@denx.de>
98 files changed