USB: ci13xxx_msm_hsic: Resume hardware from system resume path when needed

If HSIC wakeup interrupt occurs in system suspend then instead of
requesting runtime_pm to resume the device defer it until pm_resume.
This is required due to runtime PM of a device is disabled until pm_resume.

If the bus is instead runtime suspended (and not system suspended) when a
wakeup event occurs, then normal runtime resume will bring the
hardware out of low power mode.

Change-Id: I692c5e46b21f92272f4baf4b9d35ca5b7afa7332
Signed-off-by: Chandana Kishori Chiluveru <cchiluve@codeaurora.org>