xhci: hsic: Mask OUT_L2 power event irq if wakeup irq is enabled

Mask OUT_L2 power event irq if out of band remote wakeup capability
is present. Glitch on hsic lines can cause L2_OUT power event irq
when controller is suspended. This is causing unclocked register
access. Hence mask this power event irq and rely on out of band
remote wakeup to bring hsic controller out of low power mode.

CRs-Fixed: 699353
Change-Id: Iaafa75d2fff5d6f2559863b72e608751d040b69c
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>