[PATCH v2] libertas: Fix sd8686 firmware reload

[Steve deRosier]

On Wed, Oct 27, 2010 at 7:20 AM, Daniel Drake <dsd at laptop.org> wrote:
> From: Paul Fox <pgf at laptop.org>
>
> For the SD8686, we cannot rely on the scratch register to read the firmware
> load status, because the same register is used for storing RX packet length.
> Broaden the check to account for this.
>
> The module can now be unloaded/reloaded successfully.
>
> Based on the implementation from libertas_tf.
>
> Signed-off-by: Daniel Drake <dsd at laptop.org>

Signed-off-by: Steve deRosier <steve at cozybit.com>