classes: Sync various tweaks from OE

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@2643 311d38ba-8fff-0310-9ca6-ca027cbcb966

meta/classes/image.bbclass

@@ -75,7 +75,6 @@ fakeroot do_rootfs () {
 	mkdir -p ${IMAGE_ROOTFS}
 
 	if [ "${USE_DEVFS}" != "1" ]; then
-		mkdir -p ${IMAGE_ROOTFS}/dev
 		for devtable in ${@get_devtable_list(d)}; do
 			makedevs -r ${IMAGE_ROOTFS} -D $devtable
 		done