Add missing include

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Remove unnecessary include

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Add read only settings to ethtool support

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Add second module author

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>