[Feature][YUKUAI_patch]add 18.02 code

Only Configure: No
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I7f71153004f10fc0ea5adfa083866aaeeb1053ac
diff --git a/rootfs/etc/iproute2/bpf_pinning b/rootfs/etc/iproute2/bpf_pinning
new file mode 100644
index 0000000..2b39c70
--- /dev/null
+++ b/rootfs/etc/iproute2/bpf_pinning
@@ -0,0 +1,6 @@
+#
+# subpath mappings from mount point for pinning
+#
+#3	tracing
+#4	foo/bar
+#5	tc/cls1