staging: wilc1000: avoid overriding powersave state

Don't override powersave state with respect to the open interfaces and
let the firmware take care of when it's appropriate to do so

Signed-off-by: Adham Abozaeid <adham.abozaeid@microchip.com>
Link: https://lore.kernel.org/r/20190725213125.2810-5-adham.abozaeid@microchip.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>