wifi: rtw89: handle different TX power between RF path

wifi: rtw89: handle different TX power between RF path

The dynamic antenna gain (DAG) may independently apply different TX
powers for each RF path. This can be accomplished by using the larger
TX power as the reference path and adjusting the TX power of the
other path based on the difference. Currently only 8852BE/8852BTE/
8852CE are supported.

Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20241111065132.19587-4-pkshih@realtek.com