build: bison: build nolimips with bison

In order to avoid conflicts between the LRDE bison version needed to
build nolimips and the last bison version install on the host machine,
this commit gets bison from the LRDE tarball, build it and use it.

This commit fixes also some ugly tabulations and trailing whitespaces.

* .gitignore,
* bootstrap,
* build-aux/bin/bison++.in,
* build-aux/gitlog-to-changelog,
* configure.ac: here.
1 job for mj/bison-integration in 3 minutes and 30 seconds
Status Job ID Name Coverage
  Test
failed #13405
debian-stable-gcc

00:03:30

 
Name Stage Failure
failed
debian-stable-gcc Test
mkdir: cannot create directory 'bison-3.0.4.19-fbaf/build': No such file or directory
./bootstrap: cd bison-3.0.4.19-fbaf/build && ../configure && make
./bootstrap: 281: cd: can't cd to bison-3.0.4.19-fbaf/build
./bootstrap: 282: ./bootstrap: ../configure: not found
make: *** No rule to make target 'install'. Stop.
rm: cannot remove 'bison-3.0.4.19-fbaf': No such file or directory
./bootstrap: autoreconf --verbose --install --force ...
autoreconf: 'configure.ac' or 'configure.in' is required
ERROR: Job failed: exit code 1