wifi: rtlwifi: rtl8821ae: make the read-only array params static const

Don't populate the read-only array params on the stack at run time,
instead make it static const.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250611135521.172521-1-colin.i.king@gmail.com