configs: Add battery config to pennybacker

Add the config for ADCSensor to read the RTC battery voltage on IBM's
Pennybacker board.

Tested:
Sensor was on D-Bus with a value of 3.0819 Volts.

Signed

configs: Add battery config to pennybacker

Add the config for ADCSensor to read the RTC battery voltage on IBM's
Pennybacker board.

Tested:
Sensor was on D-Bus with a value of 3.0819 Volts.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: If468f15de2ad10fded8c1ef85bf0b2f4dd230a47

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configuration: Fix Bonnell PSU I2C addresses

Fix the Bonnell Power Supply I2C addresses.

Change-Id: I7ae6f625c009fe0c79a8e95f33540a75f662fcee
Signed-off-by: Faisal Awada <faisal@us.ibm.com>

configurations: Add Bonnell and Pennybacker

Add IBM's Bonnell chassis and its backplane Pennybacker.
The IM value for Bonnell is 50004000 as defined by the vpd repo:
```
https://github.com/openbmc/o

configurations: Add Bonnell and Pennybacker

Add IBM's Bonnell chassis and its backplane Pennybacker.
The IM value for Bonnell is 50004000 as defined by the vpd repo:
```
https://github.com/openbmc/openpower-vpd-parser/blob/master/const.hpp
```
The CC value for Pennybacker is 2E44.
The sensor values for the power supplies are defined in the kernel
device tree:
```
https://github.com/openbmc/linux/blob/dev-6.0/arch/arm/boot/dts/aspeed-bmc-ibm-bonnell.dts
```

Tested: Verified that the new json files were added to the rootfs image
and that CI passed.

Change-Id: I32c8de73eb4c934da864672677a2a6dae653d241
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>

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