configs: enable torture test for kernel-debug

The in-kernel torture test includes 2 kinds of stress test:
1. locking stress test;
   (for more info can refer to
    https://www.kernel.org/doc/Documentation/locking/locktorture.txt)
2. RCU stress test.
   (for more info can refer to
    https://www.kernel.org/doc/Documentation/RCU/torture.txt)
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Reviewed-by: NJoseph Qi <joseph.qi@linux.alibaba.com>

config-4.19.y-x86_64-debug

@@ -113,6 +113,7 @@ CONFIG_TREE_RCU=y
 # CONFIG_RCU_EXPERT is not set
 CONFIG_SRCU=y
 CONFIG_TREE_SRCU=y
+CONFIG_TASKS_RCU=y
 CONFIG_RCU_STALL_COMMON=y
 CONFIG_RCU_NEED_SEGCBLIST=y
 CONFIG_CONTEXT_TRACKING=y
@@ -4071,7 +4072,7 @@ CONFIG_LOCKDEP=y
 # CONFIG_DEBUG_LOCKDEP is not set
 CONFIG_DEBUG_ATOMIC_SLEEP=y
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
-# CONFIG_LOCK_TORTURE_TEST is not set
+CONFIG_LOCK_TORTURE_TEST=m
 # CONFIG_WW_MUTEX_SELFTEST is not set
 CONFIG_TRACE_IRQFLAGS=y
 CONFIG_STACKTRACE=y
@@ -4089,8 +4090,9 @@ CONFIG_DEBUG_CREDENTIALS=y
 # RCU Debugging
 #
 CONFIG_PROVE_RCU=y
+CONFIG_TORTURE_TEST=m
 # CONFIG_RCU_PERF_TEST is not set
-# CONFIG_RCU_TORTURE_TEST is not set
+CONFIG_RCU_TORTURE_TEST=m
 CONFIG_RCU_CPU_STALL_TIMEOUT=60
 # CONFIG_RCU_TRACE is not set
 # CONFIG_RCU_EQS_DEBUG is not set