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/spc1920.h b/include/configs/spc1920.h
index 87878d5..2a9b00c 100644
--- a/include/configs/spc1920.h
+++ b/include/configs/spc1920.h
@@ -207,13 +207,10 @@
  */
 #if defined(CONFIG_CMD_I2C)
 /* enable I2C and select the hardware/software driver */
-#undef CONFIG_HARD_I2C                 /* I2C with hardware support    */
-#define CONFIG_SOFT_I2C                1       /* I2C bit-banged               */
-
-#define CONFIG_SYS_I2C_SPEED          93000   /* 93 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	93000	/* 93 kHz is supposed to work */
+#define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE
 /*
  * Software (bit-bang) I2C driver configuration
  */
@@ -229,7 +226,6 @@
 #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 */
 #endif
 
 /*-----------------------------------------------------------------------