wifi: rtw89: coex: add init_info H2C command format version 7

To avoid using bit fields for H2C command, rearrange the structure.
And also patch the corresponding code for the using of this structure.
No logic changes for existing chips.

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/20240229074514.219276-4-pkshih@realtek.com