msm: clock-krait-8974: Add support to read SVS PVS bin

On some targets, the PVS table is split into SVS freq table and
the turbo freq table. Add the support to read the SVS PVS bin and
construct the complete PVS table.

Change-Id: I5a30d295efa8d0cf0a74747f29c39ca5c3faa3d4
Signed-off-by: Tianyi Gou <tgou@codeaurora.org>