Added MTU information to sw_interface_dump

Change-Id: Ie69837fd6903b715cb7b840b67c869a9b12c84a7
Signed-off-by: Pavel <pavel.kotucek@pantheon.tech>
diff --git a/vpp-japi/japi/vppjni.h b/vpp-japi/japi/vppjni.h
index 847bbe9..bd0683a 100644
--- a/vpp-japi/japi/vppjni.h
+++ b/vpp-japi/japi/vppjni.h
@@ -40,6 +40,7 @@
     u8 link_up_down;
     u8 link_duplex;
     u8 link_speed;
+    u16 link_mtu;
     u32 sub_id;
     u8 sub_dot1ad;
     u8 sub_number_of_tags;