[FE training-materials-updates] kernel sources: add git command to clean generated files

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=8573b3be811e5c16ebcc6ba843c57b3726a19447

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

commit 8573b3be811e5c16ebcc6ba843c57b3726a19447
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Mon Dec 12 17:54:45 2016 +0100

    kernel sources: add git command to clean generated files
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


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

8573b3be811e5c16ebcc6ba843c57b3726a19447
 .../sysdev-linux-intro-compilation/sysdev-linux-intro-compilation.tex  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/slides/sysdev-linux-intro-compilation/sysdev-linux-intro-compilation.tex b/slides/sysdev-linux-intro-compilation/sysdev-linux-intro-compilation.tex
index 643c608..0082d88 100644
--- a/slides/sysdev-linux-intro-compilation/sysdev-linux-intro-compilation.tex
+++ b/slides/sysdev-linux-intro-compilation/sysdev-linux-intro-compilation.tex
@@ -93,6 +93,9 @@
     \item Also remove editor backup and patch reject files (mainly to
       generate patches):\\
       \code{make distclean}
+    \item If you are in a git tree, remove all files not tracked (and
+      ignored) by git:\\
+      \code{git clean -fx}
     \end{itemize}
     \column{0.2\textwidth}
     \includegraphics[width=0.9\textwidth]{slides/sysdev-linux-intro-compilation/kernel-mrproper.png}