rcutorture: Move RCU_TORTURE_TEST_{CHK_RDR_STATE,LOG_CPU} to bool

The RCU_TORTURE_TEST_CHK_RDR_STATE and RCU_TORTURE_TEST_LOG_CPU Kconfig
options are pointlessly defined as tristate.  This commit therefore
converts them to bool.

Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-lkp/[email protected]
Signed-off-by: Paul E. McKenney <[email protected]>
Signed-off-by: Boqun Feng <[email protected]>

Author: paulmckrcu

kernel/rcu/Kconfig.debug

@@ -54,7 +54,7 @@ config RCU_TORTURE_TEST
 	  Say N if you are unsure.
 
 config RCU_TORTURE_TEST_CHK_RDR_STATE
-	tristate "Check rcutorture reader state"
+	bool "Check rcutorture reader state"
 	depends on RCU_TORTURE_TEST
 	default n
 	help
@@ -70,7 +70,7 @@ config RCU_TORTURE_TEST_CHK_RDR_STATE
 	  Say N if you are unsure.
 
 config RCU_TORTURE_TEST_LOG_CPU
-	tristate "Log CPU for rcutorture failures"
+	bool "Log CPU for rcutorture failures"
 	depends on RCU_TORTURE_TEST
 	default n
 	help