lava_helper_configs: qemu/mps2-an521: disable the DefaultProfileM config

The DefaultProfileM config is 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: I67e191b7c885d09f70a931ddc33d5248e63f26e6
1 file changed