86xx: Fix compilation warning in sys_eprom.c

sys_eeprom.c:82:9: warning: unknown escape sequence '\/'

Signed-off-by: Jon Loeliger <jdl@freescale.com>

board/freescale/common/sys_eeprom.c

@@ -79,7 +79,7 @@ int mac_show(void)
 	/* Show Build Date,
 	 * BCD date values, as YYMMDDhhmmss.
 	 */
-	printf("Date 20%02x\/%02x\/%02x %02x:%02x:%02x\n",
+	printf("Date 20%02x/%02x/%02x %02x:%02x:%02x\n",
 	       mac_data.date[0],
 	       mac_data.date[1],
 	       mac_data.date[2],