[Tree-Wide] Reference ports by name not index

Referencing anything based on its position on alist can be really
fragile and har to debug. As we already have a convenience template
that allows us to access the port based on its name let's make sure
that everyone is using it.

Issue-ID: OOM-1971
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Change-Id: Id25cb9d9e48f39f46786ea9e9a432b0c51130c50
3 files changed