Support Power delay configuration

Add set power delay and get power delay commands.

Tested:
1. set power delay:
```
root@nf5280m7:~# ipmitool raw 0x3c 0x24 0x01 0x00

```
2. get power delay:
```
root@nf5280m7:~# ipmitool raw 0x3c 0x25
 01 00
```

Change-Id: Ibc42aeade2888572d1aae90fb0e4f7e6db3e3250
Signed-off-by: George Liu <liuxiwei@ieisystem.com>
3 files changed