[Buildroot] [PATCH 1/1] systemd: bumped to version 206

[Eric Le Bihan]

> > -	--disable-gtk \
> > -	--disable-plymouth \
> > -	--with-rootdir=/ \
These ones have been removed from ./configure

> > -	--with-udevrulesdir=/etc/udev/rules.d \
This one too.

> > -	--with-sysvinit-path=/etc/init.d/  \
The default value generated by the ./configure is correct.

> > -	--without-sysvrcd-path
This one has been replaced by '--with-sysvrcnd-path=PATH'.
The default value is also correct.
I have not tested SysV scripts compatibility, though.

> > -	--enable-split-usr
This is one is need. I should have not removed it.