tf-a-docs-watcher.yaml: Adding tf-docs-watcher for tfc-113 to address tf-a gap.

This request addresses a tfa-gap in tfc-113. ArmCI is currently maintaning
the read the docs which needs to be transferred over to OpenCI.
Currently there is an open STG ticket for adding the secret auth token
RTD_TOKEN which needs to be completed before merging this request.

https://linaro.atlassian.net/browse/STG-2939

Signed-off-by: Theodore Grey <theodore.grey@linaro.org>
Change-Id: Id1715204f148e310ac901dad6a1e65514ca7fdf1
1 file changed