USB: msm_otg: Check ID state before entering into LPM

Fix a possible bug where id interrupt is not monitored during ID
detection circuit switch between ACA and PMIC.  This can happen
during quick Micro-A cable reconnection.

CRs-Fixed: 404516
Change-Id: I10d762140cb67b21b050b9c25ae127ee44cafd4b
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>