Add dash as a legal property name character

peda-r · peda-r · commit 9dc7366e834d · 2018-02-01T00:28:12.000+01:00
Signed-off-by: Peter Rosin &lt;peda@axentia.se&gt;
diff --git a/source/devicetree-basics.rst b/source/devicetree-basics.rst
@@ -325,6 +325,7 @@ Property names are strings of 1 to 31 characters from the characters show in
    ``+``     plus sign
    ``?``     question mark
    ``#``     hash
+   ``-``     dash
    ========= ================
 
 Nonstandard property names should specify a unique string prefix, such
