package/rtl8821cu: disable package for s390x architecture
s390x doesn't support CONFIG_WIRELESS in Linux so let's disable this
package for this architecture.
Fixes:
http://autobuild.buildroot.net/results/3a74d393cdbc308eab9ec3f0f9e420947669a0ea/
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Giulio Benetti