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/TOP860.h b/include/configs/TOP860.h
index 4849f94..1f728e3 100644
--- a/include/configs/TOP860.h
+++ b/include/configs/TOP860.h
@@ -159,7 +159,6 @@
  * Environment handler
  * only the first 6k in EEPROM are available for user. Of that we use 256b
  */
-#define	CONFIG_SOFT_I2C
 #define CONFIG_ENV_IS_IN_EEPROM	1	/* turn on EEPROM env feature */
 #define CONFIG_ENV_OFFSET		0x1000
 #define CONFIG_ENV_SIZE		0x0700
@@ -170,13 +169,15 @@
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
 #define CONFIG_SYS_EEPROM_SIZE 0x2000
-#define	CONFIG_SYS_I2C_SPEED	100000
-#define	CONFIG_SYS_I2C_SLAVE	0xFE
 #define	CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 12
 #define CONFIG_ENV_OVERWRITE
 #define CONFIG_MISC_INIT_R
 
-#if defined (CONFIG_SOFT_I2C)
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */
+#define CONFIG_SYS_I2C_SOFT_SPEED	100000
+#define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE
+/**/
 #define	SDA	0x00010
 #define	SCL	0x00020
 #define __I2C_DIR	immr->im_cpm.cp_pbdir
@@ -193,7 +194,6 @@
 #define	I2C_DELAY	{ udelay(5); }
 #define	I2C_ACTIVE	{ __I2C_DIR |= SDA; }
 #define	I2C_TRISTATE	{ __I2C_DIR &= ~SDA; }
-#endif
 
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }