mpc83xx: Replace CFG_IMMRBAR with CFG_IMMR

Replace all instances of CFG_IMMRBAR with CFG_IMMR, so that the 83xx
tree matches the other 8xxx trees.

Signed-off-by: Timur Tabi <timur@freescale.com>
diff --git a/drivers/tsec.h b/drivers/tsec.h
index 4aa331c..cee3003 100644
--- a/drivers/tsec.h
+++ b/drivers/tsec.h
@@ -30,7 +30,7 @@
 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
     #define TSEC_BASE_ADDR	(CFG_IMMR + CFG_TSEC1_OFFSET)
 #elif defined(CONFIG_MPC83XX)
-    #define TSEC_BASE_ADDR	(CFG_IMMRBAR + CFG_TSEC1_OFFSET)
+    #define TSEC_BASE_ADDR	(CFG_IMMR + CFG_TSEC1_OFFSET)
 #endif