[bootlin/training-materials updates] master: Boot-time: upgrade Buildroot version (021d69e2)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/021d69e21ce215aee7bde74ce340f4449a117b70

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

commit 021d69e21ce215aee7bde74ce340f4449a117b70
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Tue Mar 23 18:25:04 2021 +0100

    Boot-time: upgrade Buildroot version
    
    - The packaged version of ffmpeg works better too
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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

021d69e21ce215aee7bde74ce340f4449a117b70
 labs/boot-time-build-system/boot-time-build-system.tex | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/labs/boot-time-build-system/boot-time-build-system.tex b/labs/boot-time-build-system/boot-time-build-system.tex
index d4c5a42b..076ae6f0 100644
--- a/labs/boot-time-build-system/boot-time-build-system.tex
+++ b/labs/boot-time-build-system/boot-time-build-system.tex
@@ -34,12 +34,12 @@ like the one we're trying to build.
 
 Go to the /code{~/boot-time-labs/rootfs/buildroot/} directory.
 
-We will use the latest revision of the \code{2020.02} release, which is
+We will use the latest revision of the \code{2021.02} release, which is
 one of Buildroot's long term releases:
 
 \begin{verbatim}
-git tag | grep 2020.02
-git checkout 2020.02.11
+git tag | grep 2021.02
+git checkout 2021.02
 \end{verbatim}
 
 \section{Configuring Buildroot}