dracut/module-setup.sh: pass full path to required bins.

dracut/module-setup.sh

@@ -11,7 +11,8 @@ depends() {
 }
 
 install() {
-    inst chmod sed
+    inst /usr/bin/chmod
+    inst /usr/bin/sed
     inst_hook pre-pivot 01 "$moddir/adduser.sh"
     inst_hook pre-pivot 02 "$moddir/conf.sh"
     inst_hook pre-pivot 03 "$moddir/polkit.sh"