crypto-input impprovement:

1. multi-loop, and new style with vlib_buffer_enqueue_to_next
2. add error counter for AUTH-FAILURE
3. buffer trace changed. now it supports 'trace add dpdk-crypto-input 10'
   just like the other input nodes

Actual measurement shows >10 clocks per packets are saved, under QAT
or openssl PMD case

Change-Id: I6ea34e4ae3b08c381219ff6bc8adda2d927fbfd5
Signed-off-by: Kingwel Xie <kingwel.xie@ericsson.com>