[BUG] Spurious error in Gitlab CI for sandbox_spl test.py

Hello Tom,

we have some trouble with Gitlab CI:

In https://source.denx.de/u-boot/custodians/u-boot-efi/-/jobs/342220

sandbox: + sandbox_spl +/usr/bin/ld: /tmp/u-boot-spl.Z4D5y0.ltrans0.ltrans.o: in function `dm_setup_inst.lto_priv.0': +drivers/core/root.c:134: undefined reference to `_u_boot_list_2_udevice_2_root' +/usr/bin/ld: /tmp/u-boot-spl.Z4D5y0.ltrans0.ltrans.o:(.u_boot_list_2_uclass_2_irq+0x10): undefined reference to `_u_boot_list_2_udevice_2_irq_sbox' +/usr/bin/ld: /tmp/u-boot-spl.Z4D5y0.ltrans0.ltrans.o:(.u_boot_list_2_uclass_2_irq+0x18): undefined reference to `_u_boot_list_2_udevice_2_irq_sbox'

Repeating the job showed no error:

https://source.denx.de/u-boot/custodians/u-boot-efi/-/jobs/342252

Best regards

Heinrich