fwiw, the BIOS setup util clearly shows the 'opensuse' efi boot label
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
Main Advanced Event Logs Boot Security Save & Exit
/------------------------------...----------------------------\
| Discard Changes and Exit | |
| Save Changes and Reset | |
| | |
| Save Options | |
| Save Changes | |
| Discard Changes | |
| | |
| Restore Optimized Defaults | |
| Save as User Defaults | |
| Restore User Defaults | |
| | |
| Boot Override | |
| UEFI: Built-in EFI Shell |--------------------------|
| UEFI: Built-in EFI Shell |><: Select Screen |
>> | opensuse |^v: Select Item |
| UEFI: Built-in EFI Shell
...
Version 2.15.1236. Copyright (C) 2012 American Megatrends, Inc.