New comment by skmpz on void-packages repository

https://github.com/void-linux/void-packages/pull/29127#issuecomment-788172666

Comment:
Yeah, it seems that `XBPS_CHECK_PKGS` is set when run with
```
./xbps-src -Q pkg -a aarch64 -f libwacom
```
But since CI/builders don't use -Q for cross builders I guess it's fine to go with the proposed change.