[PATCH v3 3/5] firmware: update usermode helper docs and add SmPL report

From: "Luis R. Rodriguez" We've determined that very sadly we cannot nuke the usermode helper. The firmware code is a bit hard to follow, and so is the history, document the reasons for why we cannot remove the usermode helper and the only thing we can do is compartamentalize

[PATCH v3 3/5] firmware: update usermode helper docs and add SmPL report

From: "Luis R. Rodriguez" We've determined that very sadly we cannot nuke the usermode helper. The firmware code is a bit hard to follow, and so is the history, document the reasons for why we cannot remove the usermode helper and the only thing we can do is compartamentalize it. While it, add