app/testpmd: dump packet type with new function
app/testpmd: dump packet type with new function

Use the function introduced in previous commit to dump the packet type
of the received packet.

Signed-off-by: Olivier Matz <dfcc1510895413197abb4336e39bb0a3906cba71@6wind.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk