Docs: Replace job name with env param JOB_NAME

build-docs.jpl could be invoked by two jobs:
    tf-m-build-docs
    tf-m-build-docs-nightly
Env param is needed to replace the hardcoded job name to differ jobs.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: Ieb09c7681aebb194943f75588ec690421ab7791d
1 file changed