tc287

Request: Save the config used for prebuilt kernels to e.g. extra/config

1

While it's possible to find the config used for each kernel version with `.../extract-ikconfig modules/5.10.74+/kernel/kernel/configs.ko`, it seems like it would be easier to view (and view diffs) if the `.config`...

Move the work dir from /tmp/.dtoverlays to /run/dtoverlay since /tmp is world-writable. This also removes the leading . (there is no reason to hide it from ls) and changes it...