wifi: rtw89: set pre-calculated antenna matrices for HE trigger frame

Pre-calculated antenna matrices can improve 160MHz uplink OFDMA
performance, but they are only needed for the HE trigger frame.

Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250416081241.36138-5-pkshih@realtek.com