[Docs] Fix maxWatchdogTimeout spelling
[Docs] Fix maxWatchdogTimeout spelling

Resolves: LE-10286
Change-Id: I994c8099307bf85ca5dd0cf0e46e82e750a82ae3

legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af