[qca-nss-sfe] Add support for ESP handler in SFE

Provide support for ESP protocol handling in SFE for IPv4 and
IPv6

Change-Id: I7c2adb5e3ab25db48a7fdfd3c61294ddbba382d4
Signed-off-by: Suhas N Bhargav <quic_sbhargav@quicinc.com>
diff --git a/Makefile b/Makefile
index 63e287e..27e4129 100644
--- a/Makefile
+++ b/Makefile
@@ -5,8 +5,8 @@
 KERNELVERSION := $(word 1, $(subst ., ,$(KERNELVERSION))).$(word 2, $(subst ., ,$(KERNELVERSION)))
 
 SFE_BASE_OBJS := sfe.o sfe_init.o
-SFE_IPV4_OBJS := sfe_ipv4.o sfe_ipv4_udp.o sfe_ipv4_tcp.o sfe_ipv4_icmp.o sfe_ipv4_tun6rd.o sfe_ipv4_pppoe_br.o
-SFE_IPV6_OBJS := sfe_ipv6.o sfe_ipv6_udp.o sfe_ipv6_tcp.o sfe_ipv6_icmp.o sfe_ipv6_tunipip6.o sfe_ipv6_pppoe_br.o
+SFE_IPV4_OBJS := sfe_ipv4.o sfe_ipv4_udp.o sfe_ipv4_tcp.o sfe_ipv4_icmp.o sfe_ipv4_tun6rd.o sfe_ipv4_pppoe_br.o sfe_ipv4_esp.o
+SFE_IPV6_OBJS := sfe_ipv6.o sfe_ipv6_udp.o sfe_ipv6_tcp.o sfe_ipv6_icmp.o sfe_ipv6_tunipip6.o sfe_ipv6_pppoe_br.o sfe_ipv6_esp.o
 SFE_PPPOE_OBJS := sfe_pppoe.o sfe_pppoe_mgr.o