Remove clause 3 and 4 from TNF licenses

Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

merge ktrace-lwp.

nuke trailing whitespace

Added macros for the bits in the SYSBUS byte, and macros
for the i82596 PORT access interface, from the documentation
for that chip. These help clarify writes to the SYSBUS
part of the SCP, and PORT

Added macros for the bits in the SYSBUS byte, and macros
for the i82596 PORT access interface, from the documentation
for that chip. These help clarify writes to the SYSBUS
part of the SCP, and PORT usage by i82596-aware drivers.

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improve description of IE_TDR_OPEN & IE_TDR_SHORT a bit

Remove `_NEW_I82586' tag; all drivers using this file have been converted.

* Rename a bunch of chip definitions for consistency.

* Abolish C structures to access chip data-structures; instead use macros
that take indices and offsets relative to the bus handle representin

* Rename a bunch of chip definitions for consistency.

* Abolish C structures to access chip data-structures; instead use macros
that take indices and offsets relative to the bus handle representing
the chip's resources.

* Include the old version of this file wholesale, until all drivers
have been updated to use the MI 82586 code.

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Rename a few constants to match the chip documentation.

Some pseudo-random cleanup, and try to start transmitting packets quicker.

Various changes from Rafal Boni to improve performance and reliability. Also,
clean up the formatting a little more.

new RCS ID format.

A slightly unfinished i82586 driver, based on Garrett Wollman's.