usb: dwc3-msm: Enable PHY IRQ wakeup only for non-auto targets

On automotive targets, we do not want the system to wakeup if the
connected peripheral is issuing remote wakeup when the system is
PM suspended. Do not enable the system wakeup capability of the
PHY IRQs if the target is automotive.

Change-Id: I0bd986fdfab8f978692b605a44301086de3d0a87
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>