docs: submitting-patches: Suggest a longer expected time for responses

While some subsystems do typically have very fast turnaround times on
review this is far from standard over the kernel and is likely to set
unrealistic expectations for submitters.  Tell submitters to expect 2-3
weeks instead, this will cover more of the kernel.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20230913-submitting-patches-delay-v1-1-a2d48c5ca205@kernel.org

Documentation/process/submitting-patches.rst

@@ -366,10 +366,10 @@ busy people and may not get to your patch right away.
 
 Once upon a time, patches used to disappear into the void without comment,
 but the development process works more smoothly than that now.  You should
-receive comments within a week or so; if that does not happen, make sure
-that you have sent your patches to the right place.  Wait for a minimum of
-one week before resubmitting or pinging reviewers - possibly longer during
-busy times like merge windows.
+receive comments within a few weeks (typically 2-3); if that does not
+happen, make sure that you have sent your patches to the right place.
+Wait for a minimum of one week before resubmitting or pinging reviewers
+- possibly longer during busy times like merge windows.
 
 It's also ok to resend the patch or the patch series after a couple of
 weeks with the word "RESEND" added to the subject line::