licenses/XEROX: Add license file
licenses/XEROX: Add license file

From http://wiki.call-cc.org/eggref/4/tinyclos-xerox#license

Used by chicken-egg-tinyclos-xerox.

Fixes

  WARNING: chicken-test-image-1.0-r0 do_rootfs: The license listed
  XEROX was not in the licenses collected for recipe
  chicken-egg-tinyclos-xerox

in do_rootfs of images that include chicken-egg-tinuclos-xerox.

Change-Id: I784d069b925f2c096799f5c0ed494ae0b149ee8c
Signed-off-by: Mario Domenech Goulart <13f2f8c15d621650ee1d8d1dbbe6c4a8380f9735@gmail.com>

OSSystems/meta-chicken,OSSystems/meta-chicken,OSSystems/meta-chicken