python3: use SPDX identifier for license string

Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/python3/python3.mk

@@ -8,7 +8,7 @@ PYTHON3_VERSION_MAJOR = 3.6
 PYTHON3_VERSION = $(PYTHON3_VERSION_MAJOR).1
 PYTHON3_SOURCE = Python-$(PYTHON3_VERSION).tar.xz
 PYTHON3_SITE = http://python.org/ftp/python/$(PYTHON3_VERSION)
-PYTHON3_LICENSE = Python software foundation license v2, others
+PYTHON3_LICENSE = Python-2.0, others
 PYTHON3_LICENSE_FILES = LICENSE
 
 # Python itself doesn't use libtool, but it includes the source code