msm: pcie: mpq8064: Add system wakeup support to PCIe controller

Update the PCIe controller to register for wakeup interrupt enabling
the PCIe devices to wakeup the system if suspended.

Change-Id: I49960702c0abc1e1406dff622843456e0f0547c6
Signed-off-by: Niranjana Vishwanathapura <nvishwan@codeaurora.org>
6 files changed