rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/common/env_sf.c b/common/env_sf.c
index faf6260..1bbf93f 100644
--- a/common/env_sf.c
+++ b/common/env_sf.c
@@ -29,17 +29,17 @@
 #include <environment.h>
 #include <spi_flash.h>
 
-#ifndef CFG_ENV_SPI_BUS
-# define CFG_ENV_SPI_BUS	0
+#ifndef CONFIG_ENV_SPI_BUS
+# define CONFIG_ENV_SPI_BUS	0
 #endif
-#ifndef CFG_ENV_SPI_CS
-# define CFG_ENV_SPI_CS		0
+#ifndef CONFIG_ENV_SPI_CS
+# define CONFIG_ENV_SPI_CS		0
 #endif
-#ifndef CFG_ENV_SPI_MAX_HZ
-# define CFG_ENV_SPI_MAX_HZ	1000000
+#ifndef CONFIG_ENV_SPI_MAX_HZ
+# define CONFIG_ENV_SPI_MAX_HZ	1000000
 #endif
-#ifndef CFG_ENV_SPI_MODE
-# define CFG_ENV_SPI_MODE	SPI_MODE_3
+#ifndef CONFIG_ENV_SPI_MODE
+# define CONFIG_ENV_SPI_MODE	SPI_MODE_3
 #endif
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -67,18 +67,18 @@
 		return 1;
 	}
 
-	if (CFG_ENV_SIZE > CFG_ENV_SECT_SIZE) {
-		sector = CFG_ENV_SIZE / CFG_ENV_SECT_SIZE;
-		if (CFG_ENV_SIZE % CFG_ENV_SECT_SIZE)
+	if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) {
+		sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE;
+		if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE)
 			sector++;
 	}
 
 	puts("Erasing SPI flash...");
-	if (spi_flash_erase(env_flash, CFG_ENV_OFFSET, sector * CFG_ENV_SECT_SIZE))
+	if (spi_flash_erase(env_flash, CONFIG_ENV_OFFSET, sector * CONFIG_ENV_SECT_SIZE))
 		return 1;
 
 	puts("Writing to SPI flash...");
-	if (spi_flash_write(env_flash, CFG_ENV_OFFSET, CFG_ENV_SIZE, env_ptr))
+	if (spi_flash_write(env_flash, CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, env_ptr))
 		return 1;
 
 	puts("done\n");
@@ -89,12 +89,12 @@
 {
 	int ret;
 
-	env_flash = spi_flash_probe(CFG_ENV_SPI_BUS, CFG_ENV_SPI_CS,
-			CFG_ENV_SPI_MAX_HZ, CFG_ENV_SPI_MODE);
+	env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
+			CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
 	if (!env_flash)
 		goto err_probe;
 
-	ret = spi_flash_read(env_flash, CFG_ENV_OFFSET, CFG_ENV_SIZE, env_ptr);
+	ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, env_ptr);
 	if (ret)
 		goto err_read;
 
@@ -112,7 +112,7 @@
 err_crc:
 	puts("*** Warning - bad CRC, using default environment\n\n");
 
-	if (default_environment_size > CFG_ENV_SIZE) {
+	if (default_environment_size > CONFIG_ENV_SIZE) {
 		gd->env_valid = 0;
 		puts("*** Error - default environment is too large\n\n");
 		return;