[FE training-materials-updates] Instruct to keep a copy of the BoardConfig.mk file

[Michael Opdenacker]

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

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=5740dd0f9691dd2b7794a5f457c173bf61ce3bfb

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

commit 5740dd0f9691dd2b7794a5f457c173bf61ce3bfb
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Wed Dec 19 11:42:24 2012 +0100

    Instruct to keep a copy of the BoardConfig.mk file
    
    This is useful when we ask people to revert all the changes
    made to this file.
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


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

5740dd0f9691dd2b7794a5f457c173bf61ce3bfb
 labs/android-new-board/android-new-board.tex |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/labs/android-new-board/android-new-board.tex b/labs/android-new-board/android-new-board.tex
index a6ae8d6..21d43dd 100644
--- a/labs/android-new-board/android-new-board.tex
+++ b/labs/android-new-board/android-new-board.tex
@@ -184,9 +184,13 @@ time. This is because of the generated U-Boot being targeted for the
 BeagleBoard and not for the DevKit8000. In the Android build system,
 all the hardware related configuration is set in the file
 \code{BoardConfig.mk}. In the BeagleBoard product definition, find
-where the U-boot config file to use is set and change this
-configuration to use the default configuration for the DevKit8000
-(\code{devkit8000_config}).
+where the U-boot config file to use is set.
+
+Before making any change to this file, make a copy of the original file,
+for example \code{BoardConfig.mk.orig}.
+
+Now, modify the \code{BoardConfig.mk} file to use the default U-boot
+configuration for the DevKit8000 board (\code{devkit8000_config}).
 
 To avoid rebuild errors, you should remove the directory where U-boot
 was built: