add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/tools/testing/selftests/rcutorture/configs/rcu/TINY02.boot
..
..
@@ -1,3 +1 @@
1
1
 rcupdate.rcu_self_test=1
2
-rcupdate.rcu_self_test_bh=1
3
-rcutorture.torture_type=rcu_bh