connman: Do not take over ethernet interface if target is boot by nfs

Detect if target system is booting by nfs, connman will
not take over the ethernet interface.

This fixes [BUGID #364]

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>

meta/recipes-connectivity/connman/connman-0.56/connman

@@ -10,8 +10,28 @@ fi
 
 set -e
 
+nfsroot=0
+
+exec 9<&0 < /proc/mounts
+while read dev mtpt fstype rest; do
+	if test $mtpt = "/" ; then
+		case $fstype in
+		    nfs | nfs4)
+			nfsroot=1
+			break
+			;;
+		    *)
+			;;
+		esac
+	fi
+done
+
 do_start() {
-	$DAEMON
+	EXTRA_PARAM=""
+	if test $nfsroot -eq 1 ; then
+		EXTRA_PARAM="-P ethernet"
+	fi
+	$DAEMON $EXTRA_PARAM
 }
 
 do_stop() {

meta/recipes-connectivity/connman/connman_0.56.bb

@@ -1,5 +1,5 @@
 require connman.inc
-PR = "r1"
+PR = "r2"
 
 EXTRA_OECONF += "\
   ac_cv_path_WPASUPPLICANT=/usr/sbin/wpa_supplicant \