python-nfc: use SPDX short identifier for EUPL license

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

package/python-nfc/python-nfc.mk

@@ -9,6 +9,6 @@ PYTHON_NFC_SITE = https://launchpad.net/nfcpy
 PYTHON_NFC_SITE_METHOD = bzr
 PYTHON_NFC_DEPENDENCIES = libusb libusb-compat
 PYTHON_NFC_SETUP_TYPE = distutils
-PYTHON_NFC_LICENSE = EUPLv1.1+
+PYTHON_NFC_LICENSE = EUPL-1.1+
 
 $(eval $(python-package))