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/doc/README.mpc832xemds b/doc/README.mpc832xemds
index 9f7409c..688bdbb 100644
--- a/doc/README.mpc832xemds
+++ b/doc/README.mpc832xemds
@@ -83,8 +83,8 @@
 
 	include/configs/MPC832XEPB.h
 
-    CONFIG_MPC83xx	MPC83XX family for MPC8349, MPC8360 and MPC832X
-    CONFIG_MPC832X	MPC832X specific
+    CONFIG_MPC83xx	MPC83xx family for MPC8349, MPC8360 and MPC832x
+    CONFIG_MPC832x	MPC832x specific
     CONFIG_MPC832XEMDS	MPC832XEMDS board specific
 
 4. Compilation
@@ -97,7 +97,7 @@
 		make MPC832XEMDS_config
 		make
 
-	MPC832X support PCI 33MHz and PCI 66MHz, to make u-boot support PCI:
+	MPC832x support PCI 33MHz and PCI 66MHz, to make u-boot support PCI:
 
 		1)Make sure the DIP SW support PCI mode as described in Section 1.1.