Fix a typo in temp_lib.py code
Fix a typo in temp_lib.py code

In Linux environment, the library should be libswitchtec.so

Signed-off-by: Wesley Sheng <2dd9bb739c19413d08ba3d30d3b08863544ccf6b@microchip.com>

Microsemi/switchtec-user,Microsemi/switchtec-user