python-six: fixed package description

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/python-six/Makefile

@@ -31,7 +31,7 @@ define Package/python-six
 	DEPENDS:=+python-light
 endef
 
-define Package/python-pyasn1/description
+define Package/python-six/description
 Six is a Python 2 and 3 compatibility library.  It provides utility functions
 for smoothing over the differences between the Python versions with the goal of
 writing Python code that is compatible on both Python versions.  See the