- Update to version 2021.09
* Support new keywords in config file for bladerf2.0 clocking:
+ Update doc for new keywords
+ Add clock_out keyword
+ Add clock_sel keyword
+ Add refin_freq keyword
+ Add clock_ref keyword
+ Fix parsing of vctcxo_tamer key
* Python bindings: Fix get_gain_modes
* Make all of the get_*_range functions work
* Revert "hdl: bladerf-wlan: disable RX switch when tx_ota_req
is asserted"