Bluetooth: btintel: Fix WBS setting for Intel legacy ROM products

This patch adds the flag to identify the Intel legacy ROM products that
don't support WBS like WP and StP.

Fixes: 3df4dfbe ("Bluetooth: btintel: Move hci quirks to setup routine")
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>