[boards] MSB-A2 toolchain build script fails on Ubuntu 13.04 (#10)

with fedora and arch linux the build toolchain fails too, see http://p.animux.de/8Aq4VgSdTRr.html

seems to be a problem with texinfo5

see also here http://www.mail-archive.com/bug-binutils@gnu.org/msg14429.html

Regards, Milan