Documentation/watchdog/hpwdt: Fix Format

Add list format so that compiled documentation looks like it was
intended to.

Signed-off-by: Jerry Hoemann <[e-mail]>
Reviewed-by: Guenter Roeck <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Corbet <[e-mail]>

Documentation/watchdog/hpwdt.rst

···
  and loop forever.  This is generally not what a watchdog user wants.
 
  For those wishing to learn more please see:
-	Documentation/admin-guide/kdump/kdump.rst
-	Documentation/admin-guide/kernel-parameters.txt (panic=)
-	Your Linux Distribution specific documentation.
+	- Documentation/admin-guide/kdump/kdump.rst
+	- Documentation/admin-guide/kernel-parameters.txt (panic=)
+	- Your Linux Distribution specific documentation.
 
  If the hpwdt does not receive the NMI associated with an expiring timer,
  the iLO will proceed to reset the system at timeout if the timer hasn't