[BL training-materials-updates] yocto: fix typos

[Quentin Schulz]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=81340f2499378e6c0590d5162a1f6b09700c61a4

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

commit 81340f2499378e6c0590d5162a1f6b09700c61a4
Author: Quentin Schulz <quentin.schulz at bootlin.com>
Date:   Fri Jul 27 07:36:14 2018 +0200

    yocto: fix typos
    
    Signed-off-by: Quentin Schulz <quentin.schulz at bootlin.com>


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

81340f2499378e6c0590d5162a1f6b09700c61a4
 labs/yocto-extend-recipe/yocto-extend-recipe.tex | 10 +++++-----
 slides/yocto-recipe-extra/yocto-recipe-extra.tex |  4 ++--
 slides/yocto-sdk/yocto-sdk.tex                   |  2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/labs/yocto-extend-recipe/yocto-extend-recipe.tex b/labs/yocto-extend-recipe/yocto-extend-recipe.tex
index d44ea10..4371234 100644
--- a/labs/yocto-extend-recipe/yocto-extend-recipe.tex
+++ b/labs/yocto-extend-recipe/yocto-extend-recipe.tex
@@ -65,20 +65,20 @@ bitbake virtual/kernel
 
 This method is the common one when surcharging recipes.
 
-\section{Connect the nunchuk}
+\section{Connect the Nunchuk}
 
-Take the nunchuk device provided by your instructor.
+Take the Nunchuk device provided by your instructor.
 
 We will connect it to the second I2C port of the CPU (\code{i2c1}),
 with pins available on the \code{P9} connector.
 
-Identify the 4 pins of the nunchuk connector:
+Identify the 4 pins of the Nunchuk connector:
 
 \begin{center}
 \includegraphics[width=4cm]{common/nunchuk-pinout.pdf}
 \end{center}
 
-Connect the nunchuk pins:
+Connect the Nunchuk pins:
 \begin{itemize}
 \item The \code{GND} pin to P9 pins 1 or 2 (\code{GND})
 \item The \code{PWR} pin to P9 pins 3 or 4 (\code{DC_3.3V})
@@ -128,7 +128,7 @@ After booting the board you should be able to play nInvaders with the
 keyboard\dots and the Nunchuk! The \code{C} button is used to confirm and to
 fire, and \code{Z} to pause the game.
 
-Access the board command line througth SSH, and launch the game:
+Access the board command line through SSH, and launch the game:
 \begin{verbatim}
 $ ninvaders
 \end{verbatim}
diff --git a/slides/yocto-recipe-extra/yocto-recipe-extra.tex b/slides/yocto-recipe-extra/yocto-recipe-extra.tex
index 52abff0..c0ce33d 100644
--- a/slides/yocto-recipe-extra/yocto-recipe-extra.tex
+++ b/slides/yocto-recipe-extra/yocto-recipe-extra.tex
@@ -140,7 +140,7 @@ python do_settime() {
   \frametitle{Variable flags}
   \begin{itemize}
     \item {\em Variable flags} are used to store extra information on
-      tasks and varables.
+      tasks and variables.
     \item They are used to control task functionalities.
     \item A number of these flags are already used by BitBake:
       \begin{itemize}
@@ -240,7 +240,7 @@ rootfs_deb_do_rootfs () {
       binaries or libraries.
     \item The list of packages to provide is defined by the
       \code{PACKAGES} variable.
-    \item The \code{FILE} variable is often used to split the output
+    \item The \code{FILES} variable is often used to split the output
       into packages.
   \end{itemize}
 \end{frame}
diff --git a/slides/yocto-sdk/yocto-sdk.tex b/slides/yocto-sdk/yocto-sdk.tex
index 47ca3bf..e597eed 100644
--- a/slides/yocto-sdk/yocto-sdk.tex
+++ b/slides/yocto-sdk/yocto-sdk.tex
@@ -335,7 +335,7 @@ $ make
 \begin{frame}
   \frametitle{Overview}
   \begin{itemize}
-    \item Quilt is an utility to manage patches which can be used
+    \item Quilt is a utility to manage patches which can be used
       without having a clean source tree.
     \item It can be used to create patches for recipes already
       available in the build system.