package/rtl8192eu: 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/9987dfc041c7cc3327b73b8d97e8d482b20555e2/

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/rtl8192eu/Config.in

@@ -1,5 +1,6 @@
 config BR2_PACKAGE_RTL8192EU
 	bool "rtl8192eu"
+	depends on !BR2_s390x
 	depends on BR2_LINUX_KERNEL
 	help
 	  A standalone driver for the RTL8192EU USB Wi-Fi adapter.
@@ -10,4 +11,5 @@ config BR2_PACKAGE_RTL8192EU
 	  https://github.com/clnhub/rtl8192eu-linux
 
 comment "rtl8192eu needs a Linux kernel to be built"
+	depends on !BR2_s390x
 	depends on !BR2_LINUX_KERNEL