package/qemu: enable s390x arch as target package

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/qemu/Config.in

@@ -9,6 +9,7 @@ config BR2_PACKAGE_QEMU_ARCH_SUPPORTS_TARGET
 	default y if BR2_powerpc64
 	default y if BR2_powerpc64le
 	default y if BR2_riscv
+	default y if BR2_s390x
 	default y if BR2_x86_64
 
 comment "QEMU requires a toolchain with wchar, threads, gcc >= 8"