[BL training-materials-updates] README: add extra required package

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=7258e4568efd35d101e27c7b559fe9981ff9dd0b

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commit 7258e4568efd35d101e27c7b559fe9981ff9dd0b
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Thu Jul 19 10:18:22 2018 +0200

    README: add extra required package
    
    (At least for printing the materials)
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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7258e4568efd35d101e27c7b559fe9981ff9dd0b
 README | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README b/README
index 6268c80..20e945b 100644
--- a/README
+++ b/README
@@ -6,8 +6,8 @@ First, you may install the packages needed to compile the materials:
 sudo apt install --no-install-recommends git-core inkscape \
 texlive-latex-base texlive-latex-extra texlive-font-utils dia \
 python-pygments texlive-fonts-recommended texlive-fonts-extra make \
-texlive-xetex fonts-inconsolata fonts-liberation ttf-ubuntu-font-family \
-xfonts-scalable latex-beamer lmodern
+texlive-xetex texlive-extra-utils fonts-inconsolata fonts-liberation \
+ttf-ubuntu-font-family xfonts-scalable latex-beamer lmodern
 
 Then, run 'make help' to see what available targets are.