Add cross references for the development process documents
that were converted to ReST:
	Documentation/SubmitChecklist
	Documentation/SubmittingDrivers
	Documentation/SubmittingPatches
	Documentation/development-process/development-process.rst
	Documentation/stable_kernel_rules.txt
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NJonathan Corbet <corbet@lwn.net>