wifi: rtw89: coex: Update WiFi role info H2C report

Change style to feature version separate. And because there are
different WiFi roles number in the firmware, it will make structure
length longer or shorter, so update the length calculator to cover
the difference.

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://lore.kernel.org/r/20230103140238.15601-8-pkshih@realtek.com