x86-microcode-2022-06-05

  - Disable late microcode loading by default. Unless the HW people get
    their act together and provide a required minimum version in the
    microcode header for making a halfways informed decision its just
    lottery and broken.

  - Warn and taint the kernel when microcode is loaded late

  - Remove the old unused microcode loader interface

  - Remove a redundant perf callback from the microcode loader