doc: latex: enable pdflscape package
Enable the pdflscape package (available in the Latex distros recommended
for Zephyr) to allow for some pages to be rendered in landscape mode.
Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
diff --git a/doc/_static/latex/preamble.tex b/doc/_static/latex/preamble.tex
index 3213c95..50ef29d 100644
--- a/doc/_static/latex/preamble.tex
+++ b/doc/_static/latex/preamble.tex
@@ -5,6 +5,7 @@
\usepackage[some]{background}
\usepackage{sectsty}
+\usepackage{pdflscape}
\definecolor{bg-color}{HTML}{333f67}
