[BL training-materials-updates] slides: yocto-*: it's 2018, let's use https wherever possible

[Quentin Schulz]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=9511261cfa04f43750c869e2dcf799299f0b6110

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

commit 9511261cfa04f43750c869e2dcf799299f0b6110
Author: Quentin Schulz <quentin.schulz at bootlin.com>
Date:   Sat Aug 18 17:13:17 2018 +0200

    slides: yocto-*: it's 2018, let's use https wherever possible
    
    Signed-off-by: Quentin Schulz <quentin.schulz at bootlin.com>


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

9511261cfa04f43750c869e2dcf799299f0b6110
 slides/yocto-layer/yocto-layer.tex                 | 2 +-
 slides/yocto-overview/yocto-overview.tex           | 6 +++---
 slides/yocto-recipe-basics/yocto-recipe-basics.tex | 2 +-
 slides/yocto-resources/yocto-resources.tex         | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/slides/yocto-layer/yocto-layer.tex b/slides/yocto-layer/yocto-layer.tex
index b74a9ee..6921286 100644
--- a/slides/yocto-layer/yocto-layer.tex
+++ b/slides/yocto-layer/yocto-layer.tex
@@ -51,7 +51,7 @@
   \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/}
+      \url{https://layers.openembedded.org/layerindex/branch/master/layers/}
     \item Instead of redeveloping layers, always check the work hasn't
       been done by others.
     \item It takes less time to download a layer providing a package
diff --git a/slides/yocto-overview/yocto-overview.tex b/slides/yocto-overview/yocto-overview.tex
index 988b310..699ee98 100644
--- a/slides/yocto-overview/yocto-overview.tex
+++ b/slides/yocto-overview/yocto-overview.tex
@@ -94,7 +94,7 @@
   \frametitle{Download the Poky reference system}
   \begin{itemize}
     \item All official projects part of the Yocto Project are
-          available at \url{http://git.yoctoproject.org/cgit/}
+          available at \url{https://git.yoctoproject.org/cgit/}
     \item To download the Poky reference system: \\
           {\small
           \code{git clone -b pyro git://git.yoctoproject.org/poky.git}
@@ -146,9 +146,9 @@
   \begin{itemize}
     \item Documentation for the current sources, compiled as a "mega
       manual", is available at:
-      \url{http://www.yoctoproject.org/docs/current/mega-manual/mega-manual.html}
+      \url{https://www.yoctoproject.org/docs/current/mega-manual/mega-manual.html}
     \item Variables in particular are described in the variable
       glossary:
-      \url{http://www.yoctoproject.org/docs/current/ref-manual/ref-manual.html\#ref-variables-glossary}
+      \url{https://www.yoctoproject.org/docs/current/ref-manual/ref-manual.html\#ref-variables-glossary}
   \end{itemize}
 \end{frame}
diff --git a/slides/yocto-recipe-basics/yocto-recipe-basics.tex b/slides/yocto-recipe-basics/yocto-recipe-basics.tex
index 34ad5a2..0568619 100644
--- a/slides/yocto-recipe-basics/yocto-recipe-basics.tex
+++ b/slides/yocto-recipe-basics/yocto-recipe-basics.tex
@@ -478,7 +478,7 @@ do_install() {
   \begin{block}{}
     \begin{minted}{sh}
 SUMMARY = "GNU file archiving program"
-HOMEPAGE = "http://www.gnu.org/software/tar/"
+HOMEPAGE = "https://www.gnu.org/software/tar/"
 SECTION = "base"
 
 SRC_URI = "${GNU_MIRROR}/tar/tar-${PV}.tar.bz2"
diff --git a/slides/yocto-resources/yocto-resources.tex b/slides/yocto-resources/yocto-resources.tex
index bfd3c64..fa6c604 100644
--- a/slides/yocto-resources/yocto-resources.tex
+++ b/slides/yocto-resources/yocto-resources.tex
@@ -32,12 +32,12 @@
     \column{0.7\textwidth}
     Embedded Linux Projects Using Yocto Project Cookbook, March 2015
     \begin{itemize}
-    \item \url{http://bit.ly/1DTvjNg}
+    \item \url{https://bit.ly/1DTvjNg}
     \item By Alex González
     \item A set of recipes that you can refer to and solve your
           immediate problems instead of reading it from cover to cover. 
     \end{itemize}
-    See our review: \url{http://bit.ly/1GgVmCB}
+    See our review: \url{https://bit.ly/1GgVmCB}
     \column{0.3\textwidth}
     \includegraphics[width=\textwidth]{slides/yocto-resources/ELPYPC.jpg}
   \end{columns}