m68k: eliminate a warning in cpu_init

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/m68k/cpu/mcf5445x/cpu_init.c

@@ -364,9 +364,9 @@ void uart_port_conf(int port)
 int fecpin_setclear(struct eth_device *dev, int setclear)
 {
 	gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+#ifdef CONFIG_MCF5445x
 	struct fec_info_s *info = (struct fec_info_s *)dev->priv;
 
-#ifdef CONFIG_MCF5445x
 	if (setclear) {
 #ifdef CONFIG_SYS_FEC_NO_SHARED_PHY
 		if (info->iobase == CONFIG_SYS_FEC0_IOBASE)