[FE training-materials-updates] Update the system customization instructions

[Maxime Ripard]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : jelly-bean
Link       : http://git.free-electrons.com/training-materials/commit/?id=76374a893fa2f628dd79e4f8d2b199d8669f1399

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

commit 76374a893fa2f628dd79e4f8d2b199d8669f1399
Author: Maxime Ripard <maxime.ripard at free-electrons.com>
Date:   Fri Aug 30 15:09:35 2013 +0200

    Update the system customization instructions
    
    Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>


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

76374a893fa2f628dd79e4f8d2b199d8669f1399
 .../android-system-customization.tex               |   33 ++++++++------------
 1 file changed, 13 insertions(+), 20 deletions(-)

diff --git a/labs/android-system-customization/android-system-customization.tex b/labs/android-system-customization/android-system-customization.tex
index d01be4b..61e31ce 100644
--- a/labs/android-system-customization/android-system-customization.tex
+++ b/labs/android-system-customization/android-system-customization.tex
@@ -11,26 +11,19 @@ After this lab, you will be able to:
 \section{Setup a new product}
 
 Using the \code{git checkout} command on the files you modified,
-revert the changes you made to the beagleboard product and define
-a new product named \textit{training} instead\footnote{Remember
-that all the source files we have were obtained from various git
-repositories. This allows to cancel changes or to get back to
-earlier versions.}.  This product will have all the
-attributes of the beagleboard product for now, plus the extra packages
-we will add along the labs.
-
-As we are still using the same platform, the product name returned by the
-kernel doesn't change, even though we compiled a different product. Change
-the name of the product that is used through the command line passed to the
-kernel to match the name of your product. You can pass the product name through
-the \code{androidboot.hardware} kernel parameter.
-
-As we will need to copy prebuilt files to the image, we will prefer to
-declare prebuilt modules over the deprecated \code{PRODUCT_COPY_FILES}
-mechanism.
-
-The system should compile and boot flawlessly on the DevKit8000, with all the
-corrections we made earlier.
+revert the changes you made to the beagleboneblack product and define
+a new product named \textit{training} instead\footnote{Remember that
+  all the source files we have were obtained from various git
+  repositories. This allows to cancel changes or to get back to
+  earlier versions.}.  This product will have all the attributes of
+the beaglebone product for now, plus the extra packages we will add
+along the labs.
+
+Remember that you need to use \code{make installclean} when switching
+from one product to another.
+
+The system should compile and boot flawlessly on the BeagleBone, with
+all the corrections we made earlier.
 
 \section{Change the default wallpaper}