rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/cmi/cmi.c b/board/cmi/cmi.c
index ee243db..b78183e 100644
--- a/board/cmi/cmi.c
+++ b/board/cmi/cmi.c
@@ -70,4 +70,4 @@
 /*
  * Absolute environment address for linker file.
  */
-GEN_ABS(env_start, CONFIG_ENV_OFFSET + CFG_FLASH_BASE);
+GEN_ABS(env_start, CONFIG_ENV_OFFSET + CONFIG_SYS_FLASH_BASE);