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/RRvision.h b/include/configs/RRvision.h
index e2ea016..b14136d 100644
--- a/include/configs/RRvision.h
+++ b/include/configs/RRvision.h
@@ -122,13 +122,10 @@
 #endif
 
 /* enable I2C and select the hardware/software driver */
-#undef	CONFIG_HARD_I2C			/* I2C with hardware support	*/
-#define	CONFIG_SOFT_I2C			/* I2C bit-banged		*/
-
-# define CONFIG_SYS_I2C_SPEED		50000	/* 50 kHz is supposed to work	*/
-# define CONFIG_SYS_I2C_SLAVE		0xFE
-
-#ifdef CONFIG_SOFT_I2C
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */
+#define CONFIG_SYS_I2C_SOFT_SPEED	50000
+#define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE
 /*
  * Software (bit-bang) I2C driver configuration
  */
@@ -144,7 +141,6 @@
 #define I2C_SCL(bit)	if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
 			else    immr->im_cpm.cp_pbdat &= ~PB_SCL
 #define I2C_DELAY	udelay(1)	/* 1/4 I2C clock duration */
-#endif	/* CONFIG_SOFT_I2C */
 
 
 /*