ARM: dts: msm: disable apps smmu ATOS for sdm670

Due to a HW bug, TBU registers values are not retained
through power collapse, These are required to enable eCATS.
eCATS is a debug functionality, hence it's safe to disable
it on apps smmu for sdm670.

Change-Id: I48c0c61dd9be16a8a018b62ffd86324acaf85f8c
Signed-off-by: Vijayanand Jitta <vjitta@codeaurora.org>