rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/cpu/nios/serial.c b/cpu/nios/serial.c
index 5ecdc6d..44aa600 100644
--- a/cpu/nios/serial.c
+++ b/cpu/nios/serial.c
@@ -33,7 +33,7 @@
  *-----------------------------------------------------------------*/
 #if defined(CONFIG_CONSOLE_JTAG)
 
-static nios_jtag_t *jtag = (nios_jtag_t *)CFG_NIOS_CONSOLE;
+static nios_jtag_t *jtag = (nios_jtag_t *)CONFIG_SYS_NIOS_CONSOLE;
 
 void serial_setbrg( void ){ return; }
 int serial_init( void ) { return(0);}
@@ -71,9 +71,9 @@
  *-----------------------------------------------------------------*/
 #else
 
-static nios_uart_t *uart = (nios_uart_t *)CFG_NIOS_CONSOLE;
+static nios_uart_t *uart = (nios_uart_t *)CONFIG_SYS_NIOS_CONSOLE;
 
-#if defined(CFG_NIOS_FIXEDBAUD)
+#if defined(CONFIG_SYS_NIOS_FIXEDBAUD)
 
 /* Everything's already setup for fixed-baud PTF
  * assignment
@@ -98,7 +98,7 @@
 	return (0);
 }
 
-#endif /* CFG_NIOS_FIXEDBAUD */
+#endif /* CONFIG_SYS_NIOS_FIXEDBAUD */
 
 
 /*-----------------------------------------------------------------------