requirements: fix the name of the 'sphinxcontrib-napoleon' requirement

diescalo · diescalo · commit 3b2816135881 · 2019-07-09T18:02:14.000+02:00
- PyCharm was always complying about this requirement as it was not named
  correctly.

Signed-off-by: Diego Escalona &lt;diego.escalona@digi.com&gt;
diff --git a/requirements.txt b/requirements.txt
@@ -1,3 +1,3 @@
 pyserial>=3
-sphinxcontrib.napoleon
+sphinxcontrib-napoleon
 srp
