Still initrd issue on SLE 11 SP4

[Bischoff]

The work around in pull request #895 does not seem to work in build validation test suite context.

After reboot, /boot on SLE 11 SP4 minion contains:

suma-bv-42-cli-sles11sp4:/boot # ls -l
total 41484
-rw-r--r-- 1 root root        0 sept. 27  2019 0xc82a648e
lrwxrwxrwx 1 root root        1 sept. 27  2019 boot -> .
-rw-r--r-- 1 root root     1236 mai   19  2015 boot.readme
-rw-r--r-- 1 root root   131970 juin  24  2015 config-3.0.101-63-default
drwxr-xr-x 2 root root     4096 juil. 31 15:06 grub
lrwxrwxrwx 1 root root       25 sept. 27  2019 initrd -> initrd-3.0.101-63-default
-rw-r--r-- 1 root root 27342315 sept. 27  2019 initrd.vmx
-rw-r--r-- 1 root root  3975008 sept. 27  2019 linux.vmx
-rw-r--r-- 1 root root   228108 juin  24  2015 symvers-3.0.101-63-default.gz
-rw-r--r-- 1 root root  2091860 juin  24  2015 System.map-3.0.101-63-default
-rw-r--r-- 1 root root  4648032 juin  24  2015 vmlinux-3.0.101-63-default.gz
lrwxrwxrwx 1 root root       26 sept. 27  2019 vmlinuz -> vmlinuz-3.0.101-63-default
-rw-r--r-- 1 root root  3975008 juin  24  2015 vmlinuz-3.0.101-63-default

No idea why initrd-3.0.101-63-default got deleted...