Add "Velocity" to probe message which will make it clearer which

ethernet controller was recognized. VIA consistently calls
"Velocity" family for gigabit ethernet controllers. For fast
ethernet controllers they uses "Rhine" family(vr(4) controllers))
and vr(4) already shows "Rhine" in probe message.

sys/dev/vge/if_vge.c

@@ -144,7 +144,7 @@ TUNABLE_INT("hw.vge.msi_disable", &msi_disable);
  */
 static struct vge_type vge_devs[] = {
 	{ VIA_VENDORID, VIA_DEVICEID_61XX,
-		"VIA Networking Gigabit Ethernet" },
+		"VIA Networking Velocity Gigabit Ethernet" },
 	{ 0, 0, NULL }
 };