net: txgbe: Update support email address

Update new email address for Wangxun 10Gb NIC support team.

Signed-off-by: Jiawen Wu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: Jiawen Wu

Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst

@@ -16,5 +16,5 @@ Contents
 
 Support
 =======
-If you got any problem, contact Wangxun support team via support@trustnetic.com
+If you got any problem, contact Wangxun support team via nic-support@net-swift.com
 and Cc: netdev.