[qca-nss-drv] fix linker issue in FSM9010

Change-Id: I353be581c1fab669fbaa1760bdfb0acd79a97fb1
Signed-off-by: Arunkumar T <athand@codeaurora.org>
diff --git a/Makefile.fsm b/Makefile.fsm
index 785397d..ab03cfc 100644
--- a/Makefile.fsm
+++ b/Makefile.fsm
@@ -16,6 +16,7 @@
 			nss_dynamic_interface.o \
 			nss_eth_rx.o \
 			nss_gre_redir.o \
+			nss_gre_tunnel.o \
 			nss_if.o \
 			nss_init.o \
 			nss_ipsec.o \