Zbigniew Bodek 76a8ef267d Avoid panic in ofwbus caused by not released resource list entry
After resource allocation and release, resource list entry
stays non-NULL. This causes panic in ofwbus_alloc_resource()
on subsequent resource allocation.
Clean appropriate list entry on release to avoid this.

Obtained from:	Semihalf
Reviewed by:	ian
Sponsored by:	The FreeBSD Foundation
2014-11-07 19:34:10 +00:00
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