package/python-cycler: set license to BSD-3-Clause

License is BSD-3-Clause since the addition of the package in commit
e96c1b244e4283f5c8596728423c4d3b8a6487cb and
https://github.com/matplotlib/cycler/commit/a1c8a50ce79d37517d58552d8f0ee8f41f4ba9be

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit df729d9c250845dd23235ae3014a0bf2791b4bb6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python-cycler/python-cycler.mk

@@ -7,7 +7,7 @@
 PYTHON_CYCLER_VERSION = 0.10.0
 PYTHON_CYCLER_SOURCE = cycler-$(PYTHON_CYCLER_VERSION).tar.gz
 PYTHON_CYCLER_SITE = https://files.pythonhosted.org/packages/c2/4b/137dea450d6e1e3d474e1d873cd1d4f7d3beed7e0dc973b06e8e10d32488
-PYTHON_CYCLER_LICENSE = BSD
+PYTHON_CYCLER_LICENSE = BSD-3-Clause
 PYTHON_CYCLER_LICENSE_FILES = LICENSE
 PYTHON_CYCLER_SETUP_TYPE = setuptools