soc: qcom: Remove delay when queuing the up work

If current frequency is lower than the user supplied floor,
queue the work with zero delay. This can help to minimize
the latency when raising the policy min to floor.

Change-Id: I300739614495ab158aade181473c33d5e0eabbea
Signed-off-by: Ramakrishna Gottimukkula <rgottimu@codeaurora.org>