vpp_lite: add cpu pinning support (VPP-467)

Proper cpu pinning in vpp_lite platform, like in normal vpp image.
Extended “show threads” command to show propper information.
Changed handling of coreID and socketID for threads in "show threads"
CLI, pthread_getaffinity is used instead of info stored in DPDK.

Change-Id: Ic8299ec5e284472bb10a37a95fadeed57b6edae8
Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
diff --git a/vlib/vlib/threads.h b/vlib/vlib/threads.h
index 589d1f3..e65794c 100644
--- a/vlib/vlib/threads.h
+++ b/vlib/vlib/threads.h
@@ -105,7 +105,8 @@
   u64 barrier_sync_count;
 
   long lwp;
-  int dpdk_lcore_id;
+  int lcore_id;
+  pthread_t thread_id;
 } vlib_worker_thread_t;
 
 vlib_worker_thread_t *vlib_worker_threads;