Move disk storage file path location

Moves the NVME storage disk location to /op/nvmeqemu/disks/

Signed-off-by: Chuck Tuffli <chuck.tuffli@oakgatetech.com>
Fix need to reset MSI-X state

The NVME device reset should also reset MSI-X state

Signed-off-by: Chuck Tuffli <chuck.tuffli@oakgatetech.com>