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/board/ids8247/ids8247.c b/board/ids8247/ids8247.c
index 02db07f..541d7d6 100644
--- a/board/ids8247/ids8247.c
+++ b/board/ids8247/ids8247.c
@@ -51,7 +51,7 @@
 	/* PA27 */ {   1,   1,	 1,   0,   0,	0   }, /* FCC1 RXDV */
 	/* PA26 */ {   1,   1,	 1,   0,   0,	0   }, /* FCC1 RXER */
 	/* PA25 */ {   0,   0,	 0,   0,   1,	0   }, /* 8247_P0 */
-#if defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_SYS_I2C_SOFT)
 	/* PA24 */ {   1,   0,	 0,   0,   1,	1   }, /* I2C_SDA2 */
 	/* PA23 */ {   1,   0,	 0,   1,   1,	1   }, /* I2C_SCL2 */
 #else /* normal I/O port pins */