Add define for mpc5200 CDM_CLK_ENA

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
diff --git a/include/mpc5xxx.h b/include/mpc5xxx.h
index 3a32821..6138d45 100644
--- a/include/mpc5xxx.h
+++ b/include/mpc5xxx.h
@@ -140,6 +140,7 @@
 #define MPC5XXX_CDM_BRDCRMB  	(MPC5XXX_CDM + 0x0008)
 #define MPC5XXX_CDM_CFG		(MPC5XXX_CDM + 0x000c)
 #define MPC5XXX_CDM_48_FDC	(MPC5XXX_CDM + 0x0010)
+#define MPC5XXX_CDM_CLK_ENA	(MPC5XXX_CDM + 0x0014)
 #define MPC5XXX_CDM_SRESET	(MPC5XXX_CDM + 0x0020)
 
 /* Local Plus Bus interface */