iommu/ipmmu-vmsa: Hook up r8a77980 DT matching code

Add r8a77980 (R-Car V3H) to the list of supported devices. The hardware
is the same as on already-supportred V3M and other R-Car Gen3 chips.

Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Link: https://lore.kernel.org/r/20210923191115.22864-1-nikita.yoush@cogentembedded.com


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