add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot
..
..
@@ -1 +1 @@
1
-rcutorture.torture_type=rcu_bh rcutree.rcu_fanout_leaf=4 nohz_full=1-7
1
+rcutree.rcu_fanout_leaf=4 nohz_full=1-7