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/blackvme.h b/include/configs/blackvme.h
index 523c4e4..cd37f9a 100644
--- a/include/configs/blackvme.h
+++ b/include/configs/blackvme.h
@@ -224,7 +224,7 @@
  * Soft I2C settings (BF561 does not have hard I2C)
  * PF12,13 on SPI connector 0.
  */
-#ifdef CONFIG_SOFT_I2C
+#ifdef CONFIG_SYS_I2C_SOFT
 # define CONFIG_CMD_I2C
 # define CONFIG_SOFT_I2C_GPIO_SCL	GPIO_PF12
 # define CONFIG_SOFT_I2C_GPIO_SDA	GPIO_PF13