init-ifupdown: Bring up eth1 as well as it is done in the existing image

In the existing image we bring up eth1 do it here too

recipes-bsp/netbase/init-ifupdown_sysmocom.inc

@@ -1,7 +1,7 @@
 # TODO: When dropping netbase for edison we can rename it
 SYSMOCOM := "${@os.path.dirname(bb.data.getVar('FILE', d, True))}"
 FILESEXTRAPATHS_prepend := "${SYSMOCOM}/netbase-${PV}:${SYSMOCOM}/netbase:"
-PRINC = "3"
+PRINC = "4"
 
 # systemd does not look at /etc/rcS.d for the script. Make sure
 # there is a symlink available

recipes-bsp/netbase/netbase/sysmocom-odu/interfaces

@@ -1,6 +1,6 @@
 # /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)
  
-auto lo eth0
+auto lo eth0 eth1
 
 # The loopback interface
 iface lo inet loopback