wifi: rtw89: configure PPDU max user by chip

Different chip can support different max user in one PPDU report.
So, we now configure it in chip info.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231027015059.10032-3-pkshih@realtek.com