Only look for the ranges property when we have children. This fixes booting
[freebsd.git] / sys / arm64 /
drwxr-xr-x   ..
drwxr-xr-x - acpica
drwxr-xr-x - arm64
drwxr-xr-x - cavium
drwxr-xr-x - cloudabi64
drwxr-xr-x - conf
drwxr-xr-x - include