rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/RPXClassic/eccx.c b/board/RPXClassic/eccx.c
index cc76bbd..e1f3f9d 100644
--- a/board/RPXClassic/eccx.c
+++ b/board/RPXClassic/eccx.c
@@ -299,7 +299,7 @@
  */
 unsigned int board_video_init (void)
 {
-    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
+    volatile immap_t     *immap  = (immap_t *)CONFIG_SYS_IMMR;
     volatile memctl8xx_t *memctl = &immap->im_memctl;
 
     /* Program ECCX registers                                                */