Low version QEMU dump dts not have intc location information
and make subsequent generate dtb failed.
Error information:
Reference to non-existent node or label "/intc@8000000"
So when the QEMU version does not meet the requirements there
should be FATAL_ERROR to notice user early and immediately exit
Signed-off-by: Qiao Yongchang <qiaoyongchang@gmail.com>