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/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 */