iommu: remove duplicate selection of DMAR_TABLE

This is already done in intel/Kconfig.

Fixes: 70bad345 ("iommu: Fix compilation without CONFIG_IOMMU_INTEL")
Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/2232605.Mh6RI2rZIc@devpool92.emlix.com


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