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/IDS8247.h b/include/configs/IDS8247.h
index 6d0937f..b5a8d37 100644
--- a/include/configs/IDS8247.h
+++ b/include/configs/IDS8247.h
@@ -73,11 +73,10 @@
 #define CONFIG_MISC_INIT_R	1
 
 /* enable I2C and select the hardware/software driver */
-#undef  CONFIG_HARD_I2C			/* I2C with hardware support	*/
-#define CONFIG_SOFT_I2C		1	/* I2C bit-banged		*/
-#define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address	*/
-#define CONFIG_SYS_I2C_SLAVE		0x7F
-
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */
+#define CONFIG_SYS_I2C_SOFT_SPEED	400000
+#define CONFIG_SYS_I2C_SOFT_SLAVE	0x7F
 /*
  * Software (bit-bang) I2C driver configuration
  */