clang-format: copy latest and re-format

clang-format-16 has some backwards incompatible changes that require
additional settings for best compatibility and re-running the formatter.
Copy the latest

clang-format: copy latest and re-format

clang-format-16 has some backwards incompatible changes that require
additional settings for best compatibility and re-running the formatter.
Copy the latest .clang-format from the docs repository and reformat the
repository.

Change-Id: If66f68c96df4baf8dc07abf8729a3cb7657e932d
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>

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sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines. Possible replacements are

sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines. Possible replacements are for:
* bus_t
* exception_t
* manager_t
* match_t
* message_t
* object_t
* slot_t

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ief05bd757cffb1453e058a719ee4b060861752e7

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regulators: Treat missing VPD keyword as empty

Modify the VPD service to return an empty value if the specified VPD
interface or keyword does not exist on the specified object path.

This condition

regulators: Treat missing VPD keyword as empty

Modify the VPD service to return an empty value if the specified VPD
interface or keyword does not exist on the specified object path.

This condition can occur when the system is operating normally and
should not result in an error being logged.

Tested:
* Verified an empty value is returned if the VPD interface does not
exist on the object path.
* Verified an empty value is returned if the VPD keyword does not exist
on the object path.
* Verified correct value is returned if the VPD interface and keyword
exist
* See complete test plan at
https://gist.github.com/smccarney/47b167706da49c7d78c4df818040ae72

Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>
Change-Id: Iaa7c24f4e00ee17506fd5acfd0145c733fa0d57b

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clang updates

The openbmc CI was recently updated to clang-12 which requires some
formatting updates to the code:
https://github.com/openbmc/openbmc-build-scripts/commit/4569bf49daaebff06be048242690

clang updates

The openbmc CI was recently updated to clang-12 which requires some
formatting updates to the code:
https://github.com/openbmc/openbmc-build-scripts/commit/4569bf49daaebff06be0482426908bb5497fad08

Make those updates and refresh the clang-format file with the one from
docs:
https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format

Change-Id: Ieb3626526373a053ec84431e7560003f229f338d
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>

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regulators: Support a string or vector for VPD

Add a 'byte_values' alternative to the 'value' entry in the compare VPD
action. This is to support VPD values that are not strings, such as
'HW', a ne

regulators: Support a string or vector for VPD

Add a 'byte_values' alternative to the 'value' entry in the compare VPD
action. This is to support VPD values that are not strings, such as
'HW', a new IBM keyword that describes the version of a piece of
hardware.

To support this, the VPD class now treats all VPD keyword values as
vectors of uint8_ts, including in its data cache. If a compare VPD
action in the JSON contains a string value, it will be converted to the
vector before the CompareVPDAction class is created.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I3fcabf896f4885feae1b07ee2c3da5929cf8bfa4

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regulators: Add VPD service

The regulators application needs to obtain VPD (Vital Product Data)
keyword values.

Sometimes regulator configuration and monitoring varies depending on
hardware type or

regulators: Add VPD service

The regulators application needs to obtain VPD (Vital Product Data)
keyword values.

Sometimes regulator configuration and monitoring varies depending on
hardware type or version. VPD keyword values can provide this
information about the hardware.

Add a new class to obtain hardware VPD from the D-Bus
xyz.openbmc_project.Inventory.Decorator.Asset interface.

Also define an abstract base class and a mock implementation to
enable use of gmock in test cases related to VPD.

Tested:
* Verified VPD values were successfully obtained from D-Bus.
* Verified VPD values were cached.
* Tested where object path was invalid.
* Tested where keyword was invalid.
* Verified cached VPD values were cleared when machine powered on.
* For the complete test plan, see
https://gist.github.com/smccarney/519a54353361e28b1d25f5783c15f471

Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>
Change-Id: Id08e8bca8db6421d46669c495e8a9432e45a1fd6

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