iommu/amd/iommu_v2: Clear pasid state in free path

Clear pasid state in device amd_iommu_free_device() path. It will make
sure no new ppr notifier is registered in free path.

Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20230609105146.7773-3-vasant.hegde@amd.com


Signed-off-by: Joerg Roedel <jroedel@suse.de>