msm: sde: call deprecated arm iommu APIs

This change replaces iommu API calls with their
respective deprecated function calls. These deprecated
API calls will be removed once display supports
upstream ARM APIs.

Change-Id: I15263974b0a5a8d2157d3cd2d17d4eee6f194b03
Signed-off-by: Samantha Tran <samtran@codeaurora.org>