Update Debian sparc64 installer images

[John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>]

Hi!

Just generated a fresh set of installation images [1].

Please give it a try and report back.

Thanks,
Adrian

> [1] https://people.debian.org/~glaubitz/debian-cd/2016-12-13/

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
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