conf: Use the svg for html logo

I couldn't get the pdf output to use the svg, but at least we can
get the html output to.

Signed-off-by: Stephen Boyd <[email protected]>
Signed-off-by: Rob Herring <[email protected]>

Author: bebarino

source/conf.py

@@ -150,7 +150,7 @@ def setup(app):
 
 # The name of an image file (relative to this directory) to place at the top
 # of the sidebar.
-html_logo = "devicetree-logo.png"
+html_logo = "devicetree-logo.svg"
 
 # The name of an image file (relative to this directory) to use as a favicon of
 # the docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32