yast bootloader fails to start because of "Command not found: /usr/bin/lsattr
...".

## Observation

openQA test in scenario
opensuse-Tumbleweed-JeOS-for-kvm-and-xen-x86_64-jeos@64bit_virtio fails in
[yast2_bootloader](https://openqa.opensuse.org/tests/972266/modules/yast2_bootloader/steps/5)

## Test suite description
Maintainer: fvogt, mnowak

Start JeOS from the HDD image, configure it using the firstboot wizard and then
run basic tests. console=tty0 added as needed for aarch64.


## Reproducible

Fails since (at least) Build
[20190329](https://openqa.opensuse.org/tests/895647)


## Expected result

Last good: (unknown) (or more recent)


## Further details

Always latest result in this scenario:
[latest](https://openqa.opensuse.org/tests/latest?version=Tumbleweed&distri=opensuse&arch=x86_64&test=jeos&flavor=JeOS-for-kvm-and-xen&machine=64bit_virtio)