[qca-nss-clients] l2tpv2 acceleration support

Added l2tpv2 packet acceleration support

Change-Id: I84990acecdd55dcad4fddd16198b4727d4b33af7
Signed-off-by: ratheesh kannoth <rkannoth@codeaurora.org>
diff --git a/Makefile b/Makefile
index 0094ce2..39f2381 100644
--- a/Makefile
+++ b/Makefile
@@ -35,5 +35,10 @@
 obj-y+= netlink/
 endif
 
+# L2TPv2 manager
+ifneq ($(findstring 3.4, $(KERNELVERSION)),)
+obj-y+=l2tp/l2tpv2/
+endif
+
 obj ?= .