Modify get_psu_presence(). Move read() and close() to "try: ... except IOError:" To avoid when read port present sysfs fail. This exception will let sfputil.py to exit. So "sfputil show eeprom" can't show other port status.
Signed-off-by: roy_lee <roy_lee@accton.com>
* Add to support as4630-54pe platform * Add as4630 monitor psu/fan status * Add support as4630-54pe device and sdk cfg