'struct btusb_data' ideally should not include vendor specific
fields, but it currently includes the QCA devcoredump member
'struct qca_dump_info qca_dump'.
Fix by moving it into hci_dev private area accessed by hci_get_priv().
Signed-off-by: Zijun Hu <zijun.hu@oss.qualcomm.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>