tlan: add suspend/resume support

Add suspend/resume support to tlan driver. This allows not unloading the
driver over suspend/resume.

Also, start (or now, wake) the queue after resetting the adapter --- not the
other way around.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>