msm: clock-8084: Fix invalid container_of cast

The voter_clk assumes that all siblings are also voter_clks. Change
the clock tree so this is true. Additionally, Add voter clocks for the
crypto clocks which are shared between several drivers.

Change-Id: Ide2ead64d3cf7d354949e888995c302376333638
CRs-fixed: 634574
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>