msm: ipa3: fix the fast_map issue

Currently ipa driver AP-CB always enables
fast_map flag when calling smmu API.
Make fix to enable it when IPA
dtsi specifies fast_map flag.

CRs-Fixed: 2261733
Change-Id: I325ead58b6873f798af14ffe2182aa48a008141d
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>