C99 types

split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.

Change old-style function defintions to C89 prototypes.

Approved by releng.

#include <sys/bus.h> instead of <machine/bus.h>.

Drop 3rd and 4th clauses from Ichiro FUKUHARA's license.
Reviewed and approved by ichiro@ (copyright holder).

Change about 4500 of the K&R function definitions to ANSI ones.
There are still about 1600 left, but they have ',' or /* ... */
in the actual variable definitions - which my awk script doesn't handle

Change about 4500 of the K&R function definitions to ANSI ones.
There are still about 1600 left, but they have ',' or /* ... */
in the actual variable definitions - which my awk script doesn't handle.
There are also many that need () -> (void).
(The script does handle misordered arguments.)

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merge ktrace-lwp.

TS-7200 SBC epcom UART glue