usb: remove init.gadgethal.sh script
The script is no longer needed since we set /config/usb_gadget tree nodes ownership manually with the device init rc.
Also update udc path to fix SELinux sysfs_udc denial.
Signed-off-by: Maxime Fournier mfournier@baylibre.com
Closes TIAU-540
Edited by Mattijs Korpershoek