[FE training-materials-updates] yocto: slides: add a slide on bitbake-layers

[Antoine Ténart]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=e6da4db79b15ee84b1c77551b3011ea0b4d58fc8

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

commit e6da4db79b15ee84b1c77551b3011ea0b4d58fc8
Author: Antoine Tenart <antoine.tenart at free-electrons.com>
Date:   Mon May 22 12:00:03 2017 +0200

    yocto: slides: add a slide on bitbake-layers
    
    Signed-off-by: Antoine Tenart <antoine.tenart at free-electrons.com>


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

e6da4db79b15ee84b1c77551b3011ea0b4d58fc8
 slides/yocto-layer/yocto-layer.tex | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/slides/yocto-layer/yocto-layer.tex b/slides/yocto-layer/yocto-layer.tex
index 9aa83a8..3efff8b 100644
--- a/slides/yocto-layer/yocto-layer.tex
+++ b/slides/yocto-layer/yocto-layer.tex
@@ -48,7 +48,7 @@
 \end{frame}
 
 \begin{frame}
-  \frametitle{Integrate and use a layer 1/2}
+  \frametitle{Integrate and use a layer 1/3}
   \begin{itemize}
     \item A list of existing and maintained layers can be found at
       \url{http://layers.openembedded.org/layerindex/branch/master/layers/}
@@ -61,7 +61,7 @@
 \end{frame}
 
 \begin{frame}
-  \frametitle{Integrate and use a layer 2/2}
+  \frametitle{Integrate and use a layer 2/3}
   \begin{itemize}
     \item The location where a layer is saved on the disk doesn't
       matter.
@@ -84,6 +84,21 @@
 \end{frame}
 
 \begin{frame}
+  \frametitle{Integrate and use a layer 3/3}
+  \begin{itemize}
+    \item The \code{bitbake-layers} tool is provided alongside
+      \code{bitbake}.
+    \item It can be used to inspect the layers and to manage
+      \code{build/conf/bblayers.conf}:
+    \begin{itemize}
+      \item \code{bitbake-layers show-layers}
+      \item \code{bitbake-layers add-layer meta-custom}
+      \item \code{bitbake-layers remove-layer meta-qt5}
+    \end{itemize}
+  \end{itemize}
+\end{frame}
+
+\begin{frame}
   \frametitle{Some useful layers}
   \begin{itemize}
     \item Many SoC specific layers are available, providing support