Prints the cpuid of the VideoCore IV VPU on Raspberry Pi.
See http://imrc.noip.me/blog/vc4/VPUID/ for the results.
You need librpimemmgr and mailbox.
$ git clone https://github.com/Terminus-IMRC/vpu_cpuid.git
$ cd vpu_cpuid/
$ cmake .
$ make
$ ./vpuid