serial: 8250_pci: convert to dev_pm_ops
serial: 8250_pci: convert to dev_pm_ops

Convert the legacy system PM callbacks to new ones. Meanwhile, remove the
redudant calls to the PCI for changing a power state since it's done by bus
code.

Signed-off-by: Andy Shevchenko <74f0c009df510614346aa771cd21959b78cdb413@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs