dmraid/dmraid.sh: call udevsettle after activating all raids

otherwise a uevent loop will happen and the initqueue main loop counter
will not be incremented

modules.d/90dmraid/dmraid.sh

@@ -37,6 +37,7 @@ if [ -n "$DM_RAIDS" ] || getargbool 0 rd.auto; then
             info "Activating $s"
             dmraid -ay -i -p --rm_partitions "$s" 2>&1 | vinfo
             [ -e "/dev/mapper/$s" ] && kpartx -a "/dev/mapper/$s" 2>&1 | vinfo
+            udevsettle
         done
     fi