Bluetooth: mt7921s: Set HCI_QUIRK_VALID_LE_STATES

The patch set HCI_QUIRK_VALID_LE_STATES to be consistent with the btusb for
MT7921 and is required for the likes of experimental LE simultaneous roles.
Reviewed-by: Mark Chen <markyawenchen@gmail.com>
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Yake Yang <yake.yang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/btmtksdio.c

@@ -1070,6 +1070,9 @@ static int btmtksdio_setup(struct hci_dev *hdev)
 			}
 		}
 
+		/* Valid LE States quirk for MediaTek 7921 */
+		set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
+
 		break;
 	case 0x7663:
 	case 0x7668: