rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
index d16cfb1..134dccb 100644
--- a/drivers/i2c/omap24xx_i2c.c
+++ b/drivers/i2c/omap24xx_i2c.c
@@ -252,7 +252,7 @@
 	for (i = 0; i < len; i++) {
 		if (i2c_read_byte (chip, addr + i, &buffer[i])) {
 			printf ("I2C read: I/O error\n");
-			i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+			i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 			return 1;
 		}
 	}
@@ -277,7 +277,7 @@
 	for (i = 0; i < len; i++) {
 		if (i2c_write_byte (chip, addr + i, buffer[i])) {
 			printf ("I2C read: I/O error\n");
-			i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+			i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 			return 1;
 		}
 	}