mpc83xx: Add support for the MPC832XEMDS board

This patch supports DUART, ETH3/4 and PCI etc.

Signed-off-by: Dave Liu <daveliu@freescale.com>
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c
index 7574fab..eb256e5 100644
--- a/cpu/mpc83xx/cpu_init.c
+++ b/cpu/mpc83xx/cpu_init.c
@@ -119,6 +119,11 @@
 #ifdef CFG_SICRL
 	im->sysconf.sicrl = CFG_SICRL;
 #endif
+	/* DDR control driver register */
+#ifdef CFG_DDRCDR
+	im->sysconf.ddrcdr = CFG_DDRCDR;
+#endif
+
 #ifdef CONFIG_QE
 	/* Config QE ioports */
 	config_qe_ioports();