Pull EDAC updates from Borislav Petkov:

 - hide EDAC workqueue from users (Borislav Petkov)

 - edac_subsys init/teardown cleanup (Borislav Petkov)

 - make mpc85xx-pci-edac a platform device (Scott Wood)

 - sb_edac KNL gen2 support (Jim Snow)

 - other small cleanups all over the place

* tag 'edac_for_4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC, i5100: Use to_delayed_work()
  MAINTAINERS: Fix EDAC repo URLs format
  EDAC, sb_edac: Set fixed DIMM width on Xeon Knights Landing
  EDAC: Rework workqueue handling
  EDAC: Make edac_device workqueue setup/teardown functions static
  EDAC: Remove edac_get_sysfs_subsys() error handling
  EDAC: Unexport and make edac_subsys static
  EDAC: Rip out the edac_subsys reference counting
  EDAC: Robustify workqueues destruction
  EDAC, mc_sysfs: Fix freeing bus' name
  EDAC, mpc85xx: Make mpc85xx-pci-edac a platform device
  EDAC, sb_edac: Add Knights Landing (Xeon Phi gen 2) support
  EDAC, sb_edac: Add support for duplicate device IDs
  EDAC, sb_edac: Virtualize several hard-coded functions
  EDAC, mv64x60: Use platform_register/unregister_drivers()
  EDAC, mpc85xx: Use platform_register/unregister_drivers()
  EDAC: Add DDR4 flag
  EDAC: Remove references to bluesmoke.sourceforge.net
  EDAC, pci: Remove old disabled code