msm: Kconfig: Enable SMMU remote spinlock for msm8610

Enable the remote spinlock in the SMMU driver. This allows
us to take the remote spinlock for individual SMMUs based
on device tree configuration.

CRs-fixed: 517873
Change-Id: I803f8bcba9701cfd1a7bf7f9917f6f20d7525966
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>