python-pyserial: update to version 3.1.1

* Update license checksum for copyright year

Signed-off-by: Derek Straka <derek@asterius.io>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python3-pyserial_3.1.1.bb

@@ -0,0 +1,7 @@
+inherit setuptools3
+require python-pyserial.inc
+
+do_install_append() {
+    rm -f ${D}${bindir}/miniterm.py
+    rmdir ${D}${bindir}
+}