MFC cdboot.s rev 1.17
MFC cdboot.s rev 1.17

  Fix the cdboot twiddle display.
  I created and tested this with a custom FreeSBIE cd-image.

  PR:             i386/96452
  Submitted by:   Yuichiro Goto <y7goto at gmail dot com>
  MFC after:      3 days
  Approved by:    imp (mentor)

Approved by:	imp (mentor)

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