Revert "ARM: dts: msm: Enable SMMU stage 1 for Slimbus driver on atoll"

This reverts commit b9f41de1.
"Enable SMMU stage 1 translation for Slimbus driver on atoll".

This change is reverted due to the kernel page corruption issues seen
when slimbus smmu stage 1 is enabled. This is a temporary fix until
the actual issue is root caused.

Change-Id: Ie2e0adaa6ff9b90ef228e2a1d13d05f38e655a2e
Signed-off-by: Prudhvi Yarlagadda <pyarlaga@codeaurora.org>