wifi: rtw89: coex: Add TDMA version 7

In order to packet up the slots information, the TLV header has updated.
TDMA also use the TLV header to packet up to H2C, so upgrade to version 7.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240312013721.17452-4-pkshih@realtek.com