staging: wfx: simplify wfx_upload_ap_templates()

This function built probe response from data retrieved in beacon. Yet,
this job can be done with ieee80211_proberesp_get(). So, we can simplify
that code (and fix bugs like inclusion of TIM in probe responses).

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200115135338.14374-18-Jerome.Pouiller@silabs.com


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