s/multple/multiple/ in comment.

Merge thorpej-cfargs2.

Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass a

Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).

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Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all c

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

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malloc(9) -> kmem(9)

FDT support for Cavium OCTEON MIPS SoCs. WIP.

Redo cnmac attachments - cnmacM @ gmxN @ pip0 @ iobus

Remove unused snprintb format strings.

Remove unmaintained CNMAC_DEBUG debug code.

General code cleanup:
- use generic macros for building IO and IOBDMA addresses instead
of many different variations of the same theme.
- use #define's for CVMSEG addresses instead of magic numb

General code cleanup:
- use generic macros for building IO and IOBDMA addresses instead
of many different variations of the same theme.
- use #define's for CVMSEG addresses instead of magic numbers.
- use __BIT/__BITS/__SHIFTIN/__SHIFTOUT in most places, instead of
foo_SHIFT defines or (worse) shifting by magic numbers.

No functional changes.

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Rename all Cavium Octeon device driver functions, structs etc from
"octeon_foo" to "octfoo", except "octeon_eth" becomes "cnmac".

Adopt <net/if_stats.h>.

update for GCC 6:

hide octeon_pip_dump_regs_[] under OCTEON_ETH_DEBUG, the only user.

Initial import of Cavium Octeon and Octeon Plus SoC and
specifically Ubiquiti Networks EdgeRouter LITE support.
Currently the ethernet and uart are worked.
This support was contributed by Internet In

Initial import of Cavium Octeon and Octeon Plus SoC and
specifically Ubiquiti Networks EdgeRouter LITE support.
Currently the ethernet and uart are worked.
This support was contributed by Internet Initiative Japan Inc.

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