media: media-types.rst: codec entities can have more than one source pad

Some decoders and encoders can potentially have more than one source pad,
so update the description to say 'at least one source pad'.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2018-07-25 09:26:04 -04:00 • committed by Mauro Carvalho Chehab
commit 443eaa359b