Minor - add missing newline to floppy debug statement.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Fix bug in NUMA node setup - don't create SRAT if NUMA not present.

Make sure to check for the case where there are no NUMA nodes passed
in from QEMU.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>