gitlab: Disable plugins for cross-i386-tci

There are timeouts in the cross-i386-tci job that are related to plugins.
Restrict this job to basic TCI testing.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230629130844.151453-1-richard.henderson@linaro.org>
1 file changed