qcacmn: Support force wake request

1. Add hif_force_wake_request API to wake the
mhi and umac before reading/writing the memory region
greater than BAR+4K.
2. Add hif_force_wake_release API to release the
PCIE_PCIE_LOCAL_REG_PCIE_SOC_WAKE_PCIE_LOCAL_REG so the
umac can power collapse again at a later point of time.
3. Add pci stats to dump the force wake status.

Change-Id: Ic6d5463ea0cdb28d9144be61da55e43033b53298
CRs-Fixed: 2478052
11 files changed