Fix permissions
Revert "Fix permissions"

This reverts commit c6d50903631ee3227eb4a04aaca8a95e28e7c877.
Revert "Add arm-eabi-linaro-4.6.2 toolchain"

This reverts commit 1612d99be5c3f66a8e870c596948bb695f12d531.
Add arm-eabi-4.7.3-linaro