add i2c support for es3
fix voltage for es3
implement temperature for es3

Change-Id: I43a07efa02b08908d5a60522246134884cc15dd1
implement dimm dump for es3
fix i2c write busy error
get into diag mode after start diagd
implement eeprom for es3
fix fan bug for es3

Change-Id: Ifb0f211cd0f413e40215e3ee935e57d6abaeedf5
Reviewed-on: http://10.208.24.69/224
Reviewed-by: Xudong Huang <xudongh@juniper.net>
fix led bug and epld address for es3

Change-Id: Ib1bdcf868f8ffeee2152fc9a64ad1089438c50db
Reviewed-on: http://10.208.24.69/226
Reviewed-by: Xudong Huang <xudongh@juniper.net>