libwifi: port esl improvments from devel branch

Author: Janusz Dziedzic <janusz.dziedzic@iopsys.eu>  
Date:   Mon Jan 2 15:45:23 2023 +0100  

libwifi: nlwifi: fix multiple calls issue
    
_cb could be called multiple times, so check
data correctly and don't skip early.
    
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@iopsys.eu>  

Author: Marek Puzyniak <marek.puzyniak@iopsys.eu>
Date:   Fri Nov 18 12:30:14 2022 +0000

libwifi: optimize radio_info call
    
Signed-off-by: Marek Puzyniak <marek.puzyniak@iopsys.eu>   

Author: Marek Puzyniak <marek.puzyniak@iopsys.eu>
Date:   Thu Nov 24 17:26:15 2022 +0000

libwifi: improve iface_get_sta_info
    
Remove radio_info call from get_sta_info which
takes long time and fill many uneeded parameters,
instead use subset of radio_info.
    
Signed-off-by: Marek Puzyniak <marek.puzyniak@iopsys.eu>  

This is rest of patches made on devel in order to improve cpu usage.

@anjancx @janusz Please take a look.