Fix s390x image creation

Author: malbarbo

ci/linux-image.sh

@@ -24,12 +24,12 @@ qemu-debootstrap \
 rm -f $dest/var/lib/dpkg/status
 mv $dest/bin/mount /mount.bak
 cp $dest/bin/true $dest/bin/mount
-chroot $dest /debootstrap/debootstrap --second-stage
+chroot $dest /usr/bin/qemu-$arch-static /debootstrap/debootstrap --second-stage
 mv -f /mount.bak $dest/bin/mount
 
 # ssh
-chroot $dest adduser --disabled-password --gecos "" cross
-echo "cross:cross" | chroot $dest chpasswd
+chroot $dest /usr/bin/qemu-$arch-static adduser --disabled-password --gecos "" cross
+echo "cross:cross" | chroot $dest /usr/bin/qemu-$arch-static chpasswd
 
 # init
 cat <<EOF > $dest/init
@@ -39,7 +39,7 @@ EOF
 chmod +x $dest/init
 
 # networking
-chroot $dest systemctl enable systemd-networkd
+chroot $dest /usr/bin/qemu-$arch-static systemctl enable systemd-networkd
 
 cat <<EOF > $dest/etc/hostname
 qemu