syslinux: We forward the LABEL through cmdline

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5458 311d38ba-8fff-0310-9ca6-ca027cbcb966

meta/classes/syslinux.bbclass

@@ -146,6 +146,8 @@ python build_syslinux_cfg () {
 			if initrd:
 				cfgfile.write('initrd=initrd ')
 
+			cfgfile.write('LABEL=%s '% (label))
+
 			cfgfile.write('%s\n' % (append))
 
 	cfgfile.close()