tf-a-eclair-daily: Throttle by "eclair-daily" category

Intended to be 3 or 4 concurrent builds (to not just surpass license
limit, but be less than that, to not interfere with patch builds).

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I696b1a7efde1a106cf0fcc4bb72efad78f32ece5
1 file changed