soc: lpi: force lpi runtime suspend during adsp ssr

During adsp SSR, lpi runtime suspend is not called and
hw vote clks are not reset. Force LPI runtime suspend
during adsp SSR to avoid kernel panic.

Change-Id: I153c5826a282d7beb175a41a55e2d6bf5907eb62
Signed-off-by: Meng Wang <mengw@codeaurora.org>