wifi: rtw89: 8851be: add 8851BE PCI entry and fill PCI capabilities

Add PCI entry to 8851BE with its device ID 10ec:b851, also fill PCI info
according to its capabilities.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230421024551.29994-3-pkshih@realtek.com