New comment by zdykstra on void-packages repository

https://github.com/void-linux/void-packages/pull/20012#issuecomment-597296049

Comment:
Broken on ppc64le:
```
=> firefox-74.0_1: patching: fix-toolkit.patch.
1 out of 1 hunk FAILED -- saving rejects to file toolkit/mozapps/update/common/updatedefines.h.rej
```

It's beyond me to fix the specific problem, I'll have to defer to @q66.  Shouldn't gate the merge of this though.