neterion: remove reference to ifconfig

Remove reference to obsolete ifconfig command.
MTU can be changed with ip command instead.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/Documentation/networking/vxge.txt b/Documentation/networking/vxge.txt
index bb76c66..abfec24 100644
--- a/Documentation/networking/vxge.txt
+++ b/Documentation/networking/vxge.txt
@@ -39,7 +39,7 @@
 
 iv)  Jumbo frames
        X3100 Series supports MTU up to 9600 bytes, modifiable using
-       ifconfig command.
+       ip command.
 
 v)   Offloads supported: (Enabled by default)
        Checksum offload (TCP/UDP/IP) on transmit and receive paths