arm64: defconfig: Enable IOMMU related configs on direwolf

Enable the ARM SMMU driver as a module for direwolf GKI
and also enable other IOMMU configs for direwolf QGKI.

Change-Id: I3b27eda0efbf64411de22a36a430121356bb79bd
Signed-off-by: Vivek Kumar <vivekuma@codeaurora.org>
Signed-off-by: Veera Vegivada <vvegivad@codeaurora.org>