kernel: watchdog: modify the explanation related to watchdog thread

The watchdog thread has been replaced by cpu_stop_work, modify the
explanation related.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Wang Qing <[email protected]>
Reviewed-by: Petr Mladek <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Stephen Kitt <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: "Guilherme G. Piccoli" <[email protected]>
Cc: Qais Yousef <[email protected]>
Cc: Santosh Sivaraj <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions