Update level-zero to version 1.9.4 / rev 4 via SR 1062145
https://build.opensuse.org/request/show/1062145
by user cabelo + dimstar_suse
- update to 1.9.4:
* Add support for Level Zero spec v1.5
* Fix some compilation issues with windows non-vc compiler
* Fix building when included in another cmake project.