rcutorture: Make BUSTED scenario check and log readers

Because the BUSTED scenario intentionally executes too-short
readers, this commit enables the RCU_TORTURE_TEST_CHK_RDR_STATE,
RCU_TORTURE_TEST_LOG_CPU, and RCU_TORTURE_TEST_LOG_GP Kconfig options
to test the resulting reader-segment dump.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>

Author: paulmckrcu

tools/testing/selftests/rcutorture/configs/rcu/BUSTED

@@ -5,3 +5,6 @@ CONFIG_HOTPLUG_CPU=y
 CONFIG_PREEMPT_NONE=n
 CONFIG_PREEMPT_VOLUNTARY=n
 CONFIG_PREEMPT=y
+CONFIG_RCU_TORTURE_TEST_CHK_RDR_STATE=y
+CONFIG_RCU_TORTURE_TEST_LOG_CPU=y
+CONFIG_RCU_TORTURE_TEST_LOG_GP=y