nxgdb/thread: fix ps command

Fix ps command reports wrong running stack corruption.
To get running tcb registers, need to read from frame register not the tcb context.

Signed-off-by: xuxingliang <xuxingliang@xiaomi.com>

tools/gdb/nuttxgdb/thread.py

@@ -514,7 +514,7 @@ class Ps(gdb.Command):
             int(tcb["stack_base_ptr"]),
             int(tcb["stack_alloc_ptr"]),
             int(tcb["adj_stack_size"]),
-            utils.get_sp(tcb),
+            utils.get_sp(tcb if tcb["task_state"] != TSTATE_TASK_RUNNING else None),
             4,
         )