Force LF line ending

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

.gitattributes

@@ -3,18 +3,41 @@
 
 # Explicitly declare text files you want to always be normalized and converted
 # to native line endings on checkout.
-*.c text
-*.cpp text
-*.h text
-*.s text
-*.S text
-*.ld text
-*.txt text
-*.xml text
-*.py text
-*.md text
-*.json text
+.astyleignore text eol=lf
+.astylerc text eol=lf
+.editorconfig text eol=lf
+.flake8 text eol=lf
+.gitattributes text eol=lf
+.gitignore text eol=lf
+
+*.adoc text eol=lf
+*.c text eol=lf
+*.cmake text eol=lf
+*.cpp text eol=lf
+*.css text eol=lf
+*.dtsi text eol=lf
+*.gv text eol=lf
+*.h text eol=lf
+*.html text eol=lf
+*.in text eol=lf
+*.ino text eol=lf
+*.json text eol=lf
+*.ld text eol=lf
+*.md text eol=lf
+*.MD text eol=lf
+*.old text eol=lf
+*.pde text eol=lf
+*.properties text eol=lf
+*.py text eol=lf
+*.s text eol=lf
+*.S text eol=lf
+*.sh text eol=lf
+*.spec text eol=lf
+*.txt text eol=lf
+*.yml text eol=lf
 
 # Denote all files that are truly binary and should not be modified.
-*.png binary
 *.jpg binary
+*.pdf binary
+*.png binary
+