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/KUP4K.h b/include/configs/KUP4K.h
index dae9b8c..d6f3a62 100644
--- a/include/configs/KUP4K.h
+++ b/include/configs/KUP4K.h
@@ -106,13 +106,11 @@
 /*
  * 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
+#define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */
+#define CONFIG_SYS_I2C_SOFT_SPEED	93000	/* 93 kHz is supposed to work */
+#define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE
 
-#define CONFIG_SYS_I2C_SPEED	93000	/* 93 kHz is supposed to work */
-#define CONFIG_SYS_I2C_SLAVE	0xFE
-
-#ifdef CONFIG_SOFT_I2C
 /*
  * Software (bit-bang) I2C driver configuration
  */
@@ -128,7 +126,6 @@
 #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(2)	/* 1/4 I2C clock duration */
-#endif	/* CONFIG_SOFT_I2C */
 
 /*-----------------------------------------------------------------------
  * I2C Configuration