wlcore: save last regdom configuration on stop
wlcore: save last regdom configuration on stop

In order to reconfigure the correct reg domain on
recovery, we have to save the current configuration
before clearing it (wl->reg_ch_conf_pending is
considered before configuring a new regdomain).

Signed-off-by: Eliad Peller <fdf5551f20996bc0613832b4b54eb06eecaffd38@wizery.com>
Signed-off-by: Luciano Coelho <48024ebf6407f04843f8b4062a045f41623c6d61@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs