tree 9d5c5e3345e8fc840af3d77cb5c051f1d83e3660
parent 2ecab10c83221ef0f12a663fe5b692ac4f21fe7d
author Christopher Meis <christopher.meis@9elements.com> 1748930030 +0200
committer Ed Tanous <ed@tanous.net> 1750956175 +0000

Introduce EntityManager class

Reworking Entity-Manager to use OOP, which will help in further
refactoring. It increases maintainability and supports the 'separation
of concern' concept.

Tested:
QEMU/yosemite4 with probe statement set to TRUE.
```
root@yosemite4:~# journalctl | grep entity-manager
Dec 19 13:26:21 yosemite4 entity-manager[502]: Clearing previous configuration
Dec 19 13:26:25 yosemite4 entity-manager[502]: Inventory Added: Yosemite 4 Management Board
root@yosemite4:~# busctl tree xyz.openbmc_project.EntityManager
`- /xyz
  `- /xyz/openbmc_project
    |- /xyz/openbmc_project/EntityManager
    `- /xyz/openbmc_project/inventory
      `- /xyz/openbmc_project/inventory/system
        `- /xyz/openbmc_project/inventory/system/board
          `- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/All_Fan
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P0V6_VOLT_
V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P12V_VOLT_
V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P1V0_VOLT_
V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P1V2_VOLT_
V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P1V8_VOLT_
V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P2V5_VOLT_
V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P3V3_RGM_V
OLT_V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P3V3_VOLT_
V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P3V_BAT_VO
LT_V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P5V_USB_VO
LT_V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_ADC_P5V_VOLT_V
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/MGNT_TEMP_C
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/PID_NIC_TEMP
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/Stepwise_MGNT_TEMP
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/Stepwise_NIC_TEMP
            |- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/Stepwise_SENTINEL_D
OME_SLOT_PRESENT_PERCENTAGE
            `- /xyz/openbmc_project/inventory/system/board/Yosemite_4_Management_Board/Zone_1
```

Creates the same result as previous commit on qemu/yosemite4 with
adapted config set to TRUE.

Change-Id: I0829e073bedf24cb127ad247827e169894f4e962
Signed-off-by: Christopher Meis <christopher.meis@9elements.com>