msm: sps: add OCIMEM for pipe memory

BAM uses pipe memory for BAM-to-BAM connnections. OCIMEM is one of
memory types for pipe memory. Add the support for OCIMEM in this
change.

Change-Id: Ifc6fe537060d2c4120a03222cb419f463c7b4ab0
Signed-off-by: Yan He <yanhe@codeaurora.org>