tf-m-eclair-daily: Set BUILD_JOBS to 16

As required to achieve realistic performance for ECLAIR builds (as they
build multiple configurations sequentially, so each config must use
high level of build parallelization).

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I5cb6b0f2b793da7c22c35404d1ff1142780f001d
1 file changed