This patch adds the ability to detect and manage GPU and Disk expansion
bays, and either add their internal components into the device
corresponding to the blade server, or into a dedicated device.
It takes advantage of the work made by @cyrinux on GPU bays management, and
applies the same principle to the external disk bays, but harmonize the
inventory management:
- If no argument is specified on the command line, the GPU cards, RAID
controllers and their attached disks are added in the blade device,
and the device corresponding to an expansion device is deleted.
- If the `--expansion-as-device` option is specified on the command
line, a dedicated device corresponding to the expansion bay is
created, and the GPUs, RAID card and attached disks are removed from
the blade device and added to the expansion device.
* Some messages about the cache for example, with indentation level 0 break the parsing.
I ignore line indentation if indentation level and line dont match REGEXP_CONTROLLER_HP.
```bash
DC1|server-01:~# hpacucli ctrl all show detail
Smart Array P244br in Slot 0 (Embedded)
A cache backup failure has occurred. Please execute the "reenablecache" command
to enable the cache. Your controller may require a reboot after the operation
to complete the cache recovery process.
Bus Interface: PCI
Slot: 0
Serial Number: PDZVU0WLM241FP
Cache Serial Number: PDZVU0WLM241FP
RAID 6 (ADG) Status: Enabled
Controller Status: OK
Hardware Revision: B
Firmware Version: 7.00-0
...
```
* Remove whitespace
