[Buildroot] [git commit master 1/1] target/device: misc cleanup

[Peter Korsgaard]

commit: http://git.buildroot.net/buildroot/commit/?id=4aeb8c851ac1952908ec1b89e8e6e432d30c2dfd
branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Remove outdated and/or unused variables/files.

Signed-off-by: Peter Korsgaard <jacmet at sunsite.dk>

Patch is too large, so refusing to show it