Revert "m7: fix extracting of files in sbin"

This reverts commit 907b436ac2087479519934a148b4ff9024bacea3.

Change-Id: I1379236928f9d38f8f65066cda028fb29ab96838
Revert "m7: pulling files from sbin requires root"

This reverts commit 45475eee1b1166a299268c0168df6b460770e657.

Change-Id: I537923a928f9dd8f8f65566cda088fb29ab86838