From: Prarit Bhargava on
gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/2613#note_1497...
Even with these fixes I get a strange depmod error that is unrelated to the
fixing of the Makefile:
```
+ depmod -b . -aeF ./System.map 6.5.0-0.rc2.17.test.fc38.ppc64le
+ '[' -s depmod.out ']'
+ echo 'Depmod failure'
Depmod failure
+ cat depmod.out
depmod: WARNING: /root/rpmbuild/BUILDROOT/kernel-6.5.0-0.rc2.17.test.fc38.ppc6
4le/./lib/modules/6.5.0-0.rc2.17.test.fc38.ppc64le/kernel/drivers/ptp/ptp_dfl_
tod.ko needs unknown symbol __dfl_driver_register
depmod: WARNING: /root/rpmbuild/BUILDROOT/kernel-6.5.0-0.rc2.17.test.fc38.ppc6
4le/./lib/modules/6.5.0-0.rc2.17.test.fc38.ppc64le/kernel/drivers/ptp/ptp_dfl_
tod.ko needs unknown symbol dfl_driver_unregister
+ exit 1
error: Bad exit status from /var/tmp/rpm-tmp.97Xt7z (%build)
```
The other arches seem to build correctly. I'm digging into this and will
submit another MR to resolve it.