MAC FW 8.5.0.0.47

 - PHY FW updated to 8.2.0.0.161
 - MCS00121142 -> Rate Mng: SUT disconnects from AP in RSSI -90
   while traffic is at rate 19Mbps  instead of using lower rates
 - MCS00122944 -> Coex PLL Selection for overcoming MRC 40M Hump
 - Configuring the CCA threshold by the new phy API command (RMW)
   is disabled till issue will be fixed.
 - MCS00122158 -> COEX Stability P2P Client+A2DP: Recovery 0x10931a
 - Revert the accidentally removed request for sending CTS
 - MCS00122957 - missing support of working with extrnal xtal
 - MCS00122154 - SUT ignore the AP's TXOP limit and doesn't fragment the data

Signed-off-by: Eitan Bar <eitanb@ti.com>