iommu: Update function for ARM_MSM_SECURE io pagetable type

In io_pgtable_init_table array update the function for
io pagetable type ARM_MSM_SECURE which will be set for
arm-smmu secure clients in case of targets with slave
side secure support.

Fixes: 791d853a ("iommu: arm-smmu: Merge for msm-kona kernel upgrade")
Change-Id: I66e4b62e915042eb488c8fb0b2edf5a3e81c1ff1
Signed-off-by: Archana Sriram <apsrir@codeaurora.org>