Disable firmware user mode helpers

We don't need them and it causes issues for postmarket os where the user mode helper takes a long time to complete.

Closes: #31 (closed) Signed-off-by: Guido Günther guido.gunther@puri.sm

added needsreview label

What do the helpers do?

@dorota.czaplejewicz https://source.puri.sm/Librem5/linux-emcraft/blob/imx8-4.18-wip/Documentation/driver-api/firmware/fallback-mechanisms.rst

Moving into the current iteration since this was a request from plamo and it's sitting here since some time and the error messages spitted out due to this already confused people.

mentioned in commit 90b06ae1

merged