USB: dwc3-msm: Do not schedule resume work if id state is not changed

PMI driver reports initial id status and its not required to start state
machine if there is no change in id. This will avoid bringing controller
out of power mode. This could cause USB not entering low power mode, when
wall charger is connected during bootup. Hence make required change to
avoid schedule resume work if no change in id status.

CRs-Fixed: 973821
Change-Id: I4e050513e5fa9a5fa2275323acdcdeb6e545958b
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>