[FE training-materials-updates] Improve sam-ba explanations

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=1e023044fa7acfc09352f9ced8321a20759721c6

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

commit 1e023044fa7acfc09352f9ced8321a20759721c6
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Wed Oct 28 06:57:32 2015 +0100

    Improve sam-ba explanations
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


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

1e023044fa7acfc09352f9ced8321a20759721c6
 labs/sysdev-u-boot/sysdev-u-boot.tex | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/labs/sysdev-u-boot/sysdev-u-boot.tex b/labs/sysdev-u-boot/sysdev-u-boot.tex
index 9b3de2a..88ff66b 100644
--- a/labs/sysdev-u-boot/sysdev-u-boot.tex
+++ b/labs/sysdev-u-boot/sysdev-u-boot.tex
@@ -29,23 +29,10 @@ to reflash some bootloader through USB. Therefore, either by using an MMC/SD
 card or that fallback mode, we can start up a SAMA5D3-based board
 without having anything installed on it.
 
-\section{Setup}
+\section{Downloading Atmel's flashing tool}
 
 Go to the \code{~/embedded-linux-labs/bootloader} directory.
 
-If you are using a 64 bit installation of Ubuntu, install support for
-some 32 bit libraries:
-
-\begin{verbatim}
-sudo apt-get install libxss1:i386 libxft2:i386
-\end{verbatim}
-
-Otherwise, you just need to install the below libraries:
-
-\begin{verbatim}
-sudo apt-get install libxss1 libxft2
-\end{verbatim}
-
 We're going to use that fallback mode, and its associated tool,
 \code{sam-ba}.
 
@@ -58,6 +45,19 @@ wget http://www.atmel.com/Images/sam-ba_2.12.zip
 unzip sam-ba_2.12.zip
 \end{verbatim}
 
+To run \code{sam-ba}, you will need some 32 bit libraries if you are using
+a 64 bit installation of Ubuntu:
+
+\begin{verbatim}
+sudo apt-get install libxss1:i386 libxft2:i386
+\end{verbatim}
+
+Otherwise, you just need to install the below libraries:
+
+\begin{verbatim}
+sudo apt-get install libxss1 libxft2
+\end{verbatim}
+
 \section{Setting up serial communication with the board}
 
 Plug the USB-to-serial cable on the Xplained board. The blue end of