clk: qcom: gcc-sc7180: Fix setting flag for votable GDSCs

clk: qcom: gcc-sc7180: Fix setting flag for votable GDSCs

Commit 691ee3530f34e ("clk: qcom: Add Global Clock controller (GCC)
driver for SC7180") sets the VOTABLE flag in .pwrsts, but it needs
to be set in .flags, fix this.

Fixes: 691ee3530f34e ("clk: qcom: Add Global Clock controller (GCC) driver for SC7180")
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lkml.kernel.org/r/20191204120341.1.I9971817e83ee890d1096c43c5a6ce6ced53d5bd3@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>