package/cmake: add support for IBM s390x and Z arch

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/cmake/Config.in

@@ -5,7 +5,8 @@ config BR2_PACKAGE_CMAKE_ARCH_SUPPORTS
 		BR2_m68k      || BR2_mips        || BR2_mips64   || \
 		BR2_mipsel    || BR2_mips64el    || BR2_powerpc  || \
 		BR2_powerpc64 || BR2_powerpc64le || BR2_sparc    || \
-		BR2_i386      || BR2_x86_64      || BR2_xtensa
+		BR2_i386      || BR2_x86_64      || BR2_xtensa   || \
+		BR2_s390x
 
 config BR2_PACKAGE_CMAKE
 	bool