msm: ipa3: removed deprecated smmu calls

Previously deprecated smmu calls have been removed.  These changes
also caused the reorganization of a key data structure and logic.

Change-Id: I8f75e1ce52970a2d9f5bff97799d9e14c7ffd2d4
CRs-Fixed: 2398133
Signed-off-by: Perry Randise <prandise@codeaurora.org>