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>
diff --git a/board/lwmon5/kbd.c b/board/lwmon5/kbd.c
index b66f681..9834bfd 100644
--- a/board/lwmon5/kbd.c
+++ b/board/lwmon5/kbd.c
@@ -111,7 +111,7 @@
 	uchar val, errcd;
 	int i;
 
-	i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	i2c_set_bus_num(0);
 
 	gd->arch.kbd_status = 0;