USB: dwc3-msm: Resume HOST on pm_resume in host bus suspend

When usb device plug in and device in the suspend state, the USB core and
PHY didn't resume.  Add resuming host when USB core going to resume state
in order to receive event and be possible the USB device enumeration.

Change-Id: I8d3d611f61e8a309e6ad0a6abc59d522484979f6
Signed-off-by: Tanya Finkel <tfinkel@codeaurora.org>