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/csb272/csb272.c b/board/csb272/csb272.c
index 8b36127..a53dac1 100644
--- a/board/csb272/csb272.c
+++ b/board/csb272/csb272.c
@@ -51,7 +51,7 @@
  */
 int pll_init(void)
 {
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	i2c_set_bus_num(0);
 
 	return  i2c_write(CONFIG_SYS_I2C_PLL_ADDR, 0, 1,
 		(uchar *) pll_fs6377_regs, sizeof(pll_fs6377_regs));