fixed initlal power on problem with WiFi
the effect was that the WiFi module was left powered on after probing
and loading the libertas firmware for the first time.
By applying this change we do a real suspend and not an idle
which appears to be the better choice to power down the module.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Revert "added some printk statements for debugging"

This reverts commit bea9d581e7a2784cf48fe6776f2c67dbddd68121.