i2c, soft-i2c: switch to new multibus/multiadapter support

- added to soft_i2c driver new multibus/multiadpater support
- adapted all config files, which uses this driver

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
diff --git a/include/configs/PM828.h b/include/configs/PM828.h
index f563fbe..3842f57 100644
--- a/include/configs/PM828.h
+++ b/include/configs/PM828.h
@@ -57,10 +57,10 @@
 	"bootm"
 
 /* enable I2C and select the hardware/software driver */
-#undef	CONFIG_HARD_I2C
-#define CONFIG_SOFT_I2C		1	/* I2C bit-banged		*/
-# define CONFIG_SYS_I2C_SPEED		50000
-# define CONFIG_SYS_I2C_SLAVE		0xFE
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */
+#define CONFIG_SYS_I2C_SOFT_SPEED	50000
+#define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE
 /*
  * Software (bit-bang) I2C driver configuration
  */