mpc83xx: Fix dual I2C support for the MPC8349ITX, MPC8349EMDS, TQM834x, and MPC8360EMDS

This patch also adds an improved I2C set_speed(), which handles all clock
frequencies.

Signed-off-by: Timur Tabi <timur@freescale.com>
diff --git a/include/configs/MPC8349ITX.h b/include/configs/MPC8349ITX.h
index 20f3c6d..2fbc736 100644
--- a/include/configs/MPC8349ITX.h
+++ b/include/configs/MPC8349ITX.h
@@ -81,7 +81,7 @@
 #define CONFIG_I2C_CMD_TREE
 #define CFG_I2C_OFFSET      	0x3000
 #define CFG_I2C2_OFFSET      	0x3100
-#define CFG_SPD_BUS_NUM		I2C_2
+#define CFG_SPD_BUS_NUM		2
 
 #define CFG_I2C_8574_ADDR1	0x20	/* I2C2, PCF8574 */
 #define CFG_I2C_8574_ADDR2	0x21	/* I2C2, PCF8574 */
diff --git a/include/configs/TQM834x.h b/include/configs/TQM834x.h
index f0e4900..727094b 100644
--- a/include/configs/TQM834x.h
+++ b/include/configs/TQM834x.h
@@ -36,8 +36,8 @@
  */
 #define CONFIG_E300		1	/* E300 Family */
 #define CONFIG_MPC83XX		1	/* MPC83XX family */
-#define CONFIG_MPC8349		1	/* MPC8349 specific */
 #define CONFIG_MPC834X		1	/* MPC834X specific */
+#define CONFIG_MPC8349		1	/* MPC8349 specific */
 #define CONFIG_TQM834X		1	/* TQM834X board specific */
 
 /* IMMR Base Addres Register, use Freescale default: 0xff400000 */