clk: qcom: lpasscc: Introduce pm autosuspend for SC7180

The LPASSCC driver's suspend/resume is invoked multiple number of times
and thus allow the device to autosuspend for 500ms.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1605890417-721-1-git-send-email-tdas@codeaurora.org


Signed-off-by: Stephen Boyd <sboyd@kernel.org>