lm32 tools do not build on makeinfo 5.1

[Joel Sherrill]

Hi

As long as we are stuck on this old gcc for lm32, apparently we will have to
fix this.

    makeinfo --split-size=5000000 --split-size=5000000 --no-split -I .
-I ../../gcc-4.5.3/gcc/doc \
        -I ../../gcc-4.5.3/gcc/doc/include -o doc/cpp.info
../../gcc-4.5.3/gcc/doc/cpp.texi; \
fi
../../gcc-4.5.3/gcc/doc/cppopts.texi:763: @itemx must follow @item

$ makeinfo --version
makeinfo (GNU texinfo) 5.1

Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

I am trying to build all the other targets and fixing this is low on my list
right now.

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
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