* MIPS CPU-specific dissasembly extensions. Now TM_PRINT_INSN_MACH from tm.h

* MIPS CPU-specific dissasembly extensions.  Now TM_PRINT_INSN_MACH from tm.h
  sets a default mach for disassembly, just like sparc port.  c.f. PR 15371.

Tue Apr 21 11:20:54 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* mips-tdep.c (gdb_print_insn_mips): Disassemble MIPS instructions
 	with subtarget-specific `mach', rather than fixed default.
	* config/mips/tm-mips.h (TM_PRINT_INSN_MACH): New macro, default
	disassembly `mach'.
start-sanitize-r5900
	* config/mips/tm-r5900.h (TM_PRINT_INSN_MACH): Override.
end-sanitize-r5900
start-sanitize-sky
	* config/mips/tm-txvu.h (TM_PRINT_INSN_MACH): Override.
end-sanitize-sky