* cpu_supplement/.cvsignore, cpu_supplement/Makefile.am,
cpu_supplement/arm.t, cpu_supplement/bfin.t,
cpu_supplement/cpu_supplement.texi, cpu_supplement/i386.t,
cpu_supplement/m68k.t, cpu_supplement/mips.t,
cpu_supplement/powerpc.t, cpu_supplement/preface.texi,
cpu_supplement/sh.t: Remove duplicated text from each CPU specific
chapter. This text was necessary when each CPU was a separate manual
but now only needs to be one place and that is in an introductory
chapter.
* cpu_supplement/general.t: New file.
