staging: rtl8723bs: Rework 'struct _ODM_Phy_Status_Info_' coding style.

Change the typedef'd 'struct _ODM_Phy_Status_Info_' into
'struct odm_phy_info' and change the members to snake case in
order to meet the coding style guidelines.
Members:
* u8 RxPWDBAll            -> rx_pwd_ba11
* u8 SignalQuality        -> signal_quality
* s8 RxMIMOSignalQuality  -> rx_mimo_signal_quality
* u8 RxMIMOEVMdbm         -> rx_mimo_evm_dbm
* u8 RxMIMOSignalStrength -> rx_mimo_signal_strength
* u16 Cfo_short           -> cfo_short
* u16 Cfo_tail            -> cfo_tail
* s8 RxPower              -> rx_power
* s8 RecvSignalPower      -> recv_signal_power
* u8 BTRxRSSIPercentage   -> bt_rx_rssi_percentage
* u8 SignalStrength       -> signal_strength
* s8 RxPwr                -> rx_pwr
* u8 RxSNR                -> rx_snr
* u8 BandWidth            => band_width
* u8 btCoexPwrAdjust      -> bt_coex_pwr_adjust

Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>