Commits
Fugang Duan committed f0ee6f2061c
PCI: dwc: Use interrupt disabling instead of masking
commit 830920e065e9("PCI: dwc: Use interrupt masking instead
of disabling") break i.MX platform PCIe suspend/resume when
MSI enabled.
Revert the commit to keep orinigal method that using interrupt
disabling instead of masking.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>