python: use SPDX short identifier for license string

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

package/python/python.mk

@@ -8,7 +8,7 @@ PYTHON_VERSION_MAJOR = 2.7
 PYTHON_VERSION = $(PYTHON_VERSION_MAJOR).13
 PYTHON_SOURCE = Python-$(PYTHON_VERSION).tar.xz
 PYTHON_SITE = http://python.org/ftp/python/$(PYTHON_VERSION)
-PYTHON_LICENSE = Python software foundation license v2, others
+PYTHON_LICENSE = Python-2.0, others
 PYTHON_LICENSE_FILES = LICENSE
 PYTHON_LIBTOOL_PATCH = NO