powerpc/t1040: update i2c for t1040qds and t104xrdb

- Fix base address of I2C2 as 0x118100 instead of 0x119000.
- Add definitions for I2C3 & I2C4.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/T104xRDB.h b/include/configs/T104xRDB.h
index 40bfc60..c96f03c 100644
--- a/include/configs/T104xRDB.h
+++ b/include/configs/T104xRDB.h
@@ -443,11 +443,17 @@
 #define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_FSL		/* Use FSL common I2C driver */
 #define CONFIG_SYS_FSL_I2C_SPEED	400000	/* I2C speed in Hz */
+#define CONFIG_SYS_FSL_I2C2_SPEED	400000
+#define CONFIG_SYS_FSL_I2C3_SPEED	400000
+#define CONFIG_SYS_FSL_I2C4_SPEED	400000
 #define CONFIG_SYS_FSL_I2C_SLAVE	0x7F
-#define CONFIG_SYS_FSL_I2C2_SPEED	400000	/* I2C speed in Hz */
 #define CONFIG_SYS_FSL_I2C2_SLAVE	0x7F
+#define CONFIG_SYS_FSL_I2C3_SLAVE	0x7F
+#define CONFIG_SYS_FSL_I2C4_SLAVE	0x7F
 #define CONFIG_SYS_FSL_I2C_OFFSET	0x118000
-#define CONFIG_SYS_FSL_I2C2_OFFSET	0x119000
+#define CONFIG_SYS_FSL_I2C2_OFFSET	0x118100
+#define CONFIG_SYS_FSL_I2C3_OFFSET	0x119000
+#define CONFIG_SYS_FSL_I2C4_OFFSET	0x119100
 
 /* I2C bus multiplexer */
 #define I2C_MUX_PCA_ADDR                0x70