rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/bf537-stamp/nand.c b/board/bf537-stamp/nand.c
index 9800083..c597f2d 100644
--- a/board/bf537-stamp/nand.c
+++ b/board/bf537-stamp/nand.c
@@ -44,13 +44,13 @@
 
 	if (ctrl & NAND_CTRL_CHANGE) {
 		if( ctrl & NAND_CLE )
-			IO_ADDR_W = CFG_NAND_BASE + BFIN_NAND_CLE;
+			IO_ADDR_W = CONFIG_SYS_NAND_BASE + BFIN_NAND_CLE;
 		else
-			IO_ADDR_W = CFG_NAND_BASE;
+			IO_ADDR_W = CONFIG_SYS_NAND_BASE;
 		if( ctrl & NAND_ALE )
-			IO_ADDR_W = CFG_NAND_BASE + BFIN_NAND_ALE;
+			IO_ADDR_W = CONFIG_SYS_NAND_BASE + BFIN_NAND_ALE;
 		else
-			IO_ADDR_W = CFG_NAND_BASE;
+			IO_ADDR_W = CONFIG_SYS_NAND_BASE;
 		this->IO_ADDR_W = (void __iomem *) IO_ADDR_W;
 	}
 	this->IO_ADDR_R = this->IO_ADDR_W;