rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/purple/sconsole.h b/board/purple/sconsole.h
index e130ad4..baed5fb 100644
--- a/board/purple/sconsole.h
+++ b/board/purple/sconsole.h
@@ -33,7 +33,7 @@
 	char data[1];
 } sconsole_buffer_t;
 
-#define SCONSOLE_BUFFER		((sconsole_buffer_t *) CFG_SCONSOLE_ADDR)
+#define SCONSOLE_BUFFER		((sconsole_buffer_t *) CONFIG_SYS_SCONSOLE_ADDR)
 
 extern void	(* sconsole_putc)	(char);
 extern void	(* sconsole_puts)	(const char *);