iommu: Remove ops->set_platform_dma_ops()

All drivers are now using IDENTITY or PLATFORM domains for what this did,
we can remove it now. It is no longer possible to attach to a NULL domain.

Tested-by: Heiko Stuebner <[email protected]>
Tested-by: Niklas Schnelle <[email protected]>
Tested-by: Steven Price <[email protected]>
Tested-by: Marek Szyprowski <[email protected]>
Tested-by: Nicolin Chen <[email protected]>
Reviewed-by: Lu Baolu <[email protected]>
Reviewed-by: Jerry Snitselaar <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joerg Roedel <[email protected]>

0 files changed, 0 insertions, 0 deletions