83xx: Replace CONFIG_MPC83XX with CONFIG_MPC83xx

Use the standard lowercase "xx" 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 b63cc79..9f7409c 100644
--- a/doc/README.mpc832xemds
+++ b/doc/README.mpc832xemds
@@ -83,7 +83,7 @@
 
 	include/configs/MPC832XEPB.h
 
-    CONFIG_MPC83XX	MPC83XX family for MPC8349, MPC8360 and MPC832X
+    CONFIG_MPC83xx	MPC83XX family for MPC8349, MPC8360 and MPC832X
     CONFIG_MPC832X	MPC832X specific
     CONFIG_MPC832XEMDS	MPC832XEMDS board specific
 
diff --git a/doc/README.mpc8349itx b/doc/README.mpc8349itx
index 7f24623..48bbd50 100644
--- a/doc/README.mpc8349itx
+++ b/doc/README.mpc8349itx
@@ -88,7 +88,7 @@
 
 	include/configs/MPC8349ITX.h
 
-	CONFIG_MPC83XX		MPC83xx family
+	CONFIG_MPC83xx		MPC83xx family
 	CONFIG_MPC8349		MPC8349 specific
 	CONFIG_MPC8349ITX		MPC8349E-mITX
 	CONFIG_MPC8349ITXGP		MPC8349E-mITX-GP
diff --git a/doc/README.mpc8360emds b/doc/README.mpc8360emds
index 7c841ce..d65a2a4 100644
--- a/doc/README.mpc8360emds
+++ b/doc/README.mpc8360emds
@@ -81,7 +81,7 @@
 
 	include/configs/MPC8360EMDS.h
 
-    CONFIG_MPC83XX	    MPC83xx family for both MPC8349 and MPC8360
+    CONFIG_MPC83xx	    MPC83xx family for both MPC8349 and MPC8360
     CONFIG_MPC8360	    MPC8360 specific
     CONFIG_MPC8360EMDS	    MPC8360EMDS board specific
 
diff --git a/doc/README.mpc837xemds b/doc/README.mpc837xemds
index a14da0f..d8500c2 100644
--- a/doc/README.mpc837xemds
+++ b/doc/README.mpc837xemds
@@ -60,7 +60,7 @@
 
 	include/configs/MPC837XEMDS.h
 
-    CONFIG_MPC83XX	    MPC83xx family for both MPC837x and MPC8360
+    CONFIG_MPC83xx	    MPC83xx family for both MPC837x and MPC8360
     CONFIG_MPC837X	    MPC837x specific
     CONFIG_MPC837XEMDS	    MPC837XEMDS board specific
 
diff --git a/doc/README.mpc837xerdb b/doc/README.mpc837xerdb
index 510e3bb..25ea65b 100644
--- a/doc/README.mpc837xerdb
+++ b/doc/README.mpc837xerdb
@@ -52,7 +52,7 @@
 
 	include/configs/MPC837XERDB.h
 
-    CONFIG_MPC83XX	    MPC83xx family for both MPC8349 and MPC8360
+    CONFIG_MPC83xx	    MPC83xx family for both MPC8349 and MPC8360
     CONFIG_MPC837X	    MPC837x specific
     CONFIG_MPC837XERDB	    MPC837xE-RDB board specific