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svn:author
V 6
adrian
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svn:date
V 27
2016-05-20T00:45:16.948620Z
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svn:log
V 490
[bhnd] Add remaining bus_(read|write|set)_(1|2|4) APIs

This adds bhnd-compatible implementations of bus_(read|write|set)_(1|2|4) APIs,
and upgrades the SPROM parsing code to use bhnd_bus_read_region_stream_2().

This a precursor to bridge support for resource adjustment and the new
ChipCommon bus support.

Tested:

* Tested against BCM4331
* Kernel build verified via tinderbox.

Submitted by:	Landon Fuller <landonf@landonf.org>
Differential Revision:	https://reviews.freebsd.org/D6469

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