opizero_temp_offset.sh not work in chroot enviroment

[Jef239]

opizero_temp_offset.sh not work in chroot enviroment. Output:

cat: /sys/class/thermal/thermal_zone0/temp: No such file or directory /usr/local/rtkbase/rtkbase/tools/opizero_temp_offset.sh: line 6: /1000: syntax error: operand expected (error token is "/1000")

To Reproduce - run install.sh in chroot enviroment

[Jef239]

opizero_temp_offset.patch

I made a patch