LAN91C*: Change chip names to fit the eth_device struct size

The eth_device.name field length is limited by NAMESIZE,
which is 16 defined in include/net.h. Unfortunately, two
of the names in lan91c96.c are beyond that.
Signed-off-by: YanJun Yang <yangyj.ee@gmail.com>

drivers/net/lan91c96.c

@@ -767,8 +767,8 @@ static struct id_type supported_chips[] = {
 	{8, "LAN91C100FD"},
 	{7, "LAN91C100"},
 	{5, "LAN91C95"},
-	{4, "LAN91C94/LAN91C96"},
-	{3, "LAN91C90/LAN91C92"},
+	{4, "LAN91C94/96"},
+	{3, "LAN91C90/92"},
 };
 /* lan91c96_detect_chip
  * See: