rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/atmel/at91cap9adk/at91cap9adk.c b/board/atmel/at91cap9adk/at91cap9adk.c
index 787d64d..544c932 100644
--- a/board/atmel/at91cap9adk/at91cap9adk.c
+++ b/board/atmel/at91cap9adk/at91cap9adk.c
@@ -147,9 +147,9 @@
 	at91_sys_write(AT91_SMC_MODE(3),
 		       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
 		       AT91_SMC_EXNWMODE_DISABLE |
-#ifdef CFG_NAND_DBW_16
+#ifdef CONFIG_SYS_NAND_DBW_16
 		       AT91_SMC_DBW_16 |
-#else /* CFG_NAND_DBW_8 */
+#else /* CONFIG_SYS_NAND_DBW_8 */
 		       AT91_SMC_DBW_8 |
 #endif
 		       AT91_SMC_TDF_(1));