Bluetooth: hci_vhci: Mark Sync Flow Control as supported

This sets HCI_QUIRK_SYNC_FLOWCTL_SUPPORTED which indicates that
controllers created by vhci driver support Sync Flow Control.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

drivers/bluetooth/hci_vhci.c

@@ -416,6 +416,7 @@ static int __vhci_create_device(struct vhci_data *data, __u8 opcode)
 	hdev->wakeup = vhci_wakeup;
 	hdev->setup = vhci_setup;
 	set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
+	set_bit(HCI_QUIRK_SYNC_FLOWCTL_SUPPORTED, &hdev->quirks);
 
 	/* bit 6 is for external configuration */
 	if (opcode & 0x40)