rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/sandburst/common/ppc440gx_i2c.h b/board/sandburst/common/ppc440gx_i2c.h
index 10000f5..328abd6 100644
--- a/board/sandburst/common/ppc440gx_i2c.h
+++ b/board/sandburst/common/ppc440gx_i2c.h
@@ -32,7 +32,7 @@
 
 #ifdef CONFIG_HARD_I2C
 
-#define I2C_BUS1_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000500)
+#define I2C_BUS1_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000500)
 #define	   I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR
 #define    IIC_MDBUF1	(I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDBUF)
 #define    IIC_SDBUF1	(I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSDBUF)