python3-docopt: add version 0.6.2

It is required by python3-pykwalify cli
...
$ pykwalify -h
x86_64-wrlinuxsdk-linux/usr/lib/python3.8/site-packages/pykwalify/cli.py", line 11, in <module>
    from docopt import docopt
ModuleNotFoundError: No module named 'docopt'
...

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Acked-by: Trevor Gamblin <trevor.gamblin@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-pykwalify_1.7.0.bb

@@ -14,6 +14,7 @@ inherit setuptools3 pypi
 unset _PYTHON_SYSCONFIGDATA_NAME
 
 RDEPENDS_${PN} = "\
+    ${PYTHON_PN}-docopt \
     ${PYTHON_PN}-dateutil \
     ${PYTHON_PN}-pyyaml \
 "