Fix a bunch of cast lvalues.

Hide plutid_dump() under #ifdef PLATID_TEST. Saves space in the
kernel and avoids printf dependency for hpcboot.
While here, constify its first argument.

merge ktrace-lwp.

Declare platid_name() to return const.
Revert previous kludge, we can return string literal now.

Don't return string literal from a function that is not declared to
return const.

XXX: Kludge for now, I don't want to deal with the fallout, especially
as this code is also compile for Windows CE (

Don't return string literal from a function that is not declared to
return const.

XXX: Kludge for now, I don't want to deal with the fallout, especially
as this code is also compile for Windows CE (hpcboot.exe).

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Avoid naming function parameters "platid", there's a global variable
of that name.

Protect __KERNEL_RCSID with #if !defined(_WIN32) for the sake of
hpcboot.exe, that uses this file too. Compiling for WinCE defeats the
logic in cdefs_aout.h.

__KERNEL_RCSID()

ANSIfy, KNF.

Renamed platid_search() to platid_search_data() and added new platid_search().
Platid_name() was re-implemented using platid_search().

hpcmips hpcsh common files are moved to arch/hpc.