lava_helper_configs: qemu/mps2-an521: disable the CoreIPC configs

The CoreIPC configs are hanging in lava. Disable the config until we
figure out what's going on.

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Change-Id: If2307d5f831fd690b4d223e795eaaecbad1979fe
1 file changed