add tpm command

Change-Id: I142fc1e7ca4cde274f719bf1bb34509e391f6e87
Reviewed-on: http://10.208.24.69:8080/85
Reviewed-by: Xudong Huang <xudongh@juniper.net>
add temperature command
add prbs command

Change-Id: Ia3d9ca1c366b55ab63c9a00f93081e8e1964ffcd
Reviewed-on: http://10.208.24.69:8080/86
Reviewed-by: Xudong Huang <xudongh@juniper.net>
add ssd command

Change-Id: Ic66ea301ca0ecd892ba0a0560aa4301e309a7a14
Reviewed-on: http://10.208.24.69:8080/84
Reviewed-by: Xudong Huang <xudongh@juniper.net>