rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/spc1920.h b/include/configs/spc1920.h
index 73fa97f..592cef1 100644
--- a/include/configs/spc1920.h
+++ b/include/configs/spc1920.h
@@ -186,8 +186,8 @@
 
 /* Environment is in flash */
 #define CONFIG_ENV_IS_IN_FLASH
-#define CFG_ENV_SECT_SIZE       0x40000         /* We use one complete sector   */
-#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+#define CONFIG_ENV_SECT_SIZE       0x40000         /* We use one complete sector   */
+#define CONFIG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
 
 #define CONFIG_ENV_OVERWRITE