Update xf86-input-keyboard to 1.9.0.

This release supports the hot-off-the-line X server 1.19. Rejoice! But not
too much, you have work tomorrow.

Alexandr Shadchin (3):
      Remove empty function xf86KbdUnplug
      Reorder load module stuff
      Remove support for X input ABI < 12

Keith Packard (1):
      Use xf86AddEnabledDevice with threaded input

Peter Hutterer (1):
      keyboard 1.9.0

Yasushi Oshima (1):
      Add defines for Japanese 106-key USB keyboards.

(wiz)