1. Should check the vmid in ivshmem_remove() when release irq instead
check the ivdev->reg;
2. Add vmid check in ivshmem_probe() because ivshmem driver only support
vmid == 0 or 1 for now in NuttX;
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
Add common ivshmem driver, provide the ivshmem bus mechisam, so
many ivshmem based driver can change to pci_ivshmem based
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>