python-tornado: upgrade to version 5.1

License-Update: Change license file from setup.py to
LICENSE, based on the same the same license policy Apache 2.0.

Signed-off-by: Łukasz Gardoń <lukaszgardon555@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-tornado_5.1.bb

@@ -0,0 +1,7 @@
+inherit pypi setuptools3
+require python-tornado.inc
+
+# Requires _compression which is currently located in misc
+RDEPENDS_${PN} += "\
+    ${PYTHON_PN}-misc \
+    "