python-setuptools: Remove licence ambiguity

We need to say which verison of PSF and Zope license is in use

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

meta/recipes-devtools/python/python-setuptools_18.2.bb

@@ -1,7 +1,7 @@
 SUMMARY = "Downloads, builds, installs, upgrades, and uninstalls Python packages"
 HOMEPAGE = "https://pypi.python.org/pypi/setuptools"
 SECTION = "devel/python"
-LICENSE = "PSF|ZPL"
+LICENSE = "Python-2.0 | ZPL-2.0"
 LIC_FILES_CHKSUM = "file://setup.py;beginline=78;endline=78;md5=8a314270dd7a8dbca741775415f1716e"
 
 SRCNAME = "setuptools"