global: Migrate CONFIG_VSC7385_IMAGE et al to CFG

Perform simple renames of:
   CONFIG_VSC7385_IMAGE to CFG_VSC7385_IMAGE
   CONFIG_VSC7385_IMAGE_SIZE to CFG_VSC7385_IMAGE_SIZE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/MPC837XERDB.h b/include/configs/MPC837XERDB.h
index 07c989d..70b1c39 100644
--- a/include/configs/MPC837XERDB.h
+++ b/include/configs/MPC837XERDB.h
@@ -42,8 +42,8 @@
 #ifdef CONFIG_VSC7385_ENET
 
 /* The flash address and size of the VSC7385 firmware image */
-#define CONFIG_VSC7385_IMAGE		0xFE7FE000
-#define CONFIG_VSC7385_IMAGE_SIZE	8192
+#define CFG_VSC7385_IMAGE		0xFE7FE000
+#define CFG_VSC7385_IMAGE_SIZE	8192
 
 #endif