ARM: dts: msm: add smmu devices for trinket

Describe the register address and settings for the
graphics and apps smmu devices for trinket.
Disable these nodes by default so that the clients can merge their
changes independently by relying on the iommu_present() rather than
waiting for the SMMU validation.

Change-Id: Iace6f7e92cd5cbe1d5367b5c61c434fcb326e13a
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>