Allow simplebus to attach in less strict way, when "simple-bus" listed on not first position of compatible property, so simplebus driver can be generic driver for any bus listed as compatible with "simple-bus".
Allow simplebus to attach in less strict way, when "simple-bus" listed on not
first position of compatible property, so simplebus driver can be generic
driver for any bus listed as compatible with "simple-bus".

Sponsored by:	The FreeBSD Foundation

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