Aesthetic/grammar fixes to first part of devicetree-basics.rst
Aesthetic/grammar fixes to first part of devicetree-basics.rst

Various grammar/font/spacing tweaks to first part of
devicetree-basics.rst, including:

 * rendering node names in monospaced font
 * italicizing some terms
 * proper capitalization of some terms

Signed-off-by: Robert P. J. Day <01aa5cd9a29907856ec6ddeebcb643ede4c45b8b@crashcourse.ca>
Signed-off-by: Rob Herring <fbb37eacae100e13076d5c4b46f06cfa4d6fa9f8@kernel.org>

devicetree-org/devicetree-specification