kern/54186: pad(4) audio tests fail on big endian machines

[martin%NetBSD.org@localhost]

>Number:         54186
>Category:       kern
>Synopsis:       pad(4) audio tests fail
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri May 10 05:10:00 +0000 2019
>Originator:     Martin Husemann
>Release:        NetBSD 8.99.39
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD whoever-brings-the-night.aprisoft.de 8.99.39 NetBSD 8.99.39 (WHOEVER) #270: Thu May 9 08:16:42 CEST 2019 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/sparc64/compile/WHOEVER sparc64
Architecture: sparc64
Machine: sparc64
>Description:

The recent audio changes broke the pad(4) atf tests - it is not clear whether
the golden output needs updating (for improved output data) or something
is really wrong, but it needs a closer analyzis.

>How-To-Repeat:

	cd /usr/tests/dev/audio/ && atf-run | atf-report

>Fix:
n/a