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/Sandpoint8245.h b/include/configs/Sandpoint8245.h
index cdc51a5..9a69374 100644
--- a/include/configs/Sandpoint8245.h
+++ b/include/configs/Sandpoint8245.h
@@ -172,13 +172,16 @@
  * If the software driver is chosen, there are some additional
  * configuration items that the driver uses to drive the port pins.
  */
-#define CONFIG_HARD_I2C		1		/* To enable I2C support	*/
-#undef  CONFIG_SOFT_I2C				/* I2C bit-banged		*/
-#define CONFIG_SYS_I2C_SPEED		400000		/* I2C speed and slave address	*/
-#define CONFIG_SYS_I2C_SLAVE		0x7F
+#define CONFIG_HARD_I2C		1		/* To enable I2C support */
+#undef  CONFIG_SYS_I2C_SOFT
+#define CONFIG_SYS_I2C_SPEED	400000
+#define CONFIG_SYS_I2C_SLAVE	0x7F
 
-#ifdef CONFIG_SOFT_I2C
+#ifdef CONFIG_SYS_I2C_SOFT
 #error "Soft I2C is not configured properly.  Please review!"
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_SOFT_SPEED	50000
+#define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE
 #define I2C_PORT		3               /* Port A=0, B=1, C=2, D=3 */
 #define I2C_ACTIVE		(iop->pdir |=  0x00010000)
 #define I2C_TRISTATE		(iop->pdir &= ~0x00010000)
@@ -188,7 +191,7 @@
 #define I2C_SCL(bit)		if(bit) iop->pdat |=  0x00020000; \
 				else    iop->pdat &= ~0x00020000
 #define I2C_DELAY		udelay(5)	/* 1/4 I2C clock duration */
-#endif /* CONFIG_SOFT_I2C */
+#endif /* CONFIG_SYS_I2C_SOFT */
 
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x57		/* EEPROM IS24C02		*/
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* Bytes of address		*/