Merge branch 'bpf-ppc-div-fix'

Naveen N. Rao says:

====================
The first patch updates DIV64 overflow tests to properly detect error
conditions. The second patch fixes powerpc64 JIT to generate the proper
unsigned division instruction for BPF_ALU64.
====================

Acked-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>