rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/imx31_phycore.h b/include/configs/imx31_phycore.h
index 18ff450..bf2a8dd4 100644
--- a/include/configs/imx31_phycore.h
+++ b/include/configs/imx31_phycore.h
@@ -51,7 +51,7 @@
 /*
  * Size of malloc() pool
  */
-#define CFG_MALLOC_LEN		(CFG_ENV_SIZE + 128 * 1024)
+#define CFG_MALLOC_LEN		(CONFIG_ENV_SIZE + 128 * 1024)
 #define CFG_GBL_DATA_SIZE	128  /* size in bytes reserved for initial data */
 
 /*
@@ -153,8 +153,8 @@
 #define CFG_MONITOR_BASE	CFG_FLASH_BASE /* Monitor at beginning of flash */
 
 #define	CONFIG_ENV_IS_IN_EEPROM		1
-#define CFG_ENV_OFFSET			0x00	/* environment starts here     */
-#define CFG_ENV_SIZE			4096
+#define CONFIG_ENV_OFFSET			0x00	/* environment starts here     */
+#define CONFIG_ENV_SIZE			4096
 #define CFG_I2C_EEPROM_ADDR		0x52
 #define CFG_EEPROM_PAGE_WRITE_BITS	5	/* 5 bits = 32 octets          */
 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS	10	/* between stop and start      */