wifi: rtw89: Add EHT rate mask as parameters of RA H2C command

wifi: rtw89: Add EHT rate mask as parameters of RA H2C command

Set EHT rate mask to RA (rate adaptive) H2C command according to handshake
result. The EHT rate mask format looks like

  44               28               12        4    0
   +----------------+----------------+--------+----+
   |  EHT 2SS rate  |  EHT 1SS rate  |  OFDM  | CCK|
   +----------------+----------------+--------+----+

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231011115256.6121-4-pkshih@realtek.com