iommu: msm: Decrement ref-counts for device

Decrement the ref-count for platform device after calling
of_find_device_by_node().

Change-Id: Ib643f68b04e1738d7e599e304ec99199581b1b90
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
1 file changed