83xx: Replace CONFIG_MPC83[0-9]X with MPC83[0-9]x

Use the standard lowercase "x" capitalization that other Freescale
architectures use for CPU defines to prevent confusion and errors

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/include/configs/MPC8315ERDB.h b/include/configs/MPC8315ERDB.h
index b5f5a0b..d9888f5 100644
--- a/include/configs/MPC8315ERDB.h
+++ b/include/configs/MPC8315ERDB.h
@@ -30,7 +30,7 @@
  */
 #define CONFIG_E300		1 /* E300 family */
 #define CONFIG_MPC83xx		1 /* MPC83xx family */
-#define CONFIG_MPC831X		1 /* MPC831x CPU family */
+#define CONFIG_MPC831x		1 /* MPC831x CPU family */
 #define CONFIG_MPC8315		1 /* MPC8315 CPU specific */
 #define CONFIG_MPC8315ERDB	1 /* MPC8315ERDB board specific */