[FE training-materials-updates] sysdev: bump crosstool-ng to 1.22.0

[Antoine Ténart]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=6b85a4190e8b869f09218c90d7829a664442cfd8

>---------------------------------------------------------------

commit 6b85a4190e8b869f09218c90d7829a664442cfd8
Author: Antoine Tenart <antoine.tenart at free-electrons.com>
Date:   Mon Dec 14 16:11:36 2015 +0100

    sysdev: bump crosstool-ng to 1.22.0
    
    Signed-off-by: Antoine Tenart <antoine.tenart at free-electrons.com>


>---------------------------------------------------------------

6b85a4190e8b869f09218c90d7829a664442cfd8
 labs/sysdev-buildroot/sysdev-buildroot.tex | 3 ++-
 labs/sysdev-toolchain/sysdev-toolchain.tex | 5 ++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/labs/sysdev-buildroot/sysdev-buildroot.tex b/labs/sysdev-buildroot/sysdev-buildroot.tex
index 3f1da20..18d168d 100644
--- a/labs/sysdev-buildroot/sysdev-buildroot.tex
+++ b/labs/sysdev-buildroot/sysdev-buildroot.tex
@@ -79,7 +79,8 @@ button whenever you need more details about a given option:
   \item \code{Toolchain}: \code{Custom toolchain}
   \item \code{Toolchain path}: use the toolchain you built:
     \code{/usr/local/xtools/arm-cortexa5-linux-uclibcgnueabihf}
-  \item \code{External toolchain kernel headers series}: \code{3.15.x}
+  \item \code{External toolchain gcc version}: \code{5.x}
+  \item \code{External toolchain kernel headers series}: \code{4.3.x}
   \item \code{External toolchain C library}: \code{uClibc}
   \item We must tell Buildroot about our toolchain configuration, so:
     enable \code{Toolchain has large file support?}, \code{Toolchain has
diff --git a/labs/sysdev-toolchain/sysdev-toolchain.tex b/labs/sysdev-toolchain/sysdev-toolchain.tex
index dd77c33..440c3f4 100644
--- a/labs/sysdev-toolchain/sysdev-toolchain.tex
+++ b/labs/sysdev-toolchain/sysdev-toolchain.tex
@@ -21,7 +21,7 @@ Install the packages needed for this lab:
 sudo apt-get install autoconf automake libtool libexpat1-dev \
      libncurses5-dev bison flex patch curl cvs texinfo git bc \
      build-essential subversion gawk python-dev gperf unzip \
-     pkg-config wget
+     pkg-config wget help2man
 \end{verbatim}
 
 {\em Tip: instead of typing all the above package names, fetch the
@@ -36,7 +36,7 @@ source repository:
 \begin{verbatim}
 git clone git://crosstool-ng.org/crosstool-ng
 cd crosstool-ng/
-git checkout -b crosstool-ng-1.20.0
+git checkout -b crosstool-ng-1.22.0
 \end{verbatim}
 
 Note that if {\em cloning} through \code{git://} doesn't work due to
@@ -86,7 +86,6 @@ Then, to refine the configuration, let's run the \code{menuconfig} interface:
 \end{verbatim}
 
 In \code{Path and misc options}:
-
 \begin{itemize}
 \item Change \code{Prefix directory} to
   \code{/usr/local/xtools/${CT_TARGET}}. This is the place where