dts: ARM: msm: Enable remote spinlock for LPASS SMMU on msm8610

LPASS SMMU access must be protected by remote spinlock to ensure
reliable operation of the SoC.

CRs-fixed: 517873
Change-Id: I01968f574db6e137126758f9f0aef919bb9d8e4b
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>