rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/gaisler/gr_ep2s60/u-boot.lds b/board/gaisler/gr_ep2s60/u-boot.lds
index 100350d..e461a36 100644
--- a/board/gaisler/gr_ep2s60/u-boot.lds
+++ b/board/gaisler/gr_ep2s60/u-boot.lds
@@ -61,7 +61,7 @@
 
 		*(.start)
 		cpu/leon3/start.o (.text)
-/* 8k is the same as the PROM offset from end of main memory, (CFG_PROM_SIZE) */
+/* 8k is the same as the PROM offset from end of main memory, (CONFIG_SYS_PROM_SIZE) */
 		. = ALIGN(8192);
 /* PROM CODE, Will be relocated to the end of memory,
  * no global data accesses please.