pseq: Find config file using new compatible intf

Add support for finding the JSON configuration file using a list of
compatible names from the new
xyz.openbmc_project.Inventory.Decorator.Compatible

pseq: Find config file using new compatible intf

Add support for finding the JSON configuration file using a list of
compatible names from the new
xyz.openbmc_project.Inventory.Decorator.Compatible D-Bus interface.

Change-Id: Ic24bafd1d77413015aa8eac7b312dbd604a10995
Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>

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pseq: Remove output voltage comparison to OV limit

The pgood isolation algorithm for the phosphor-power-sequencer
application is being enhanced to handle more error scenarios.

One major enhancement

pseq: Remove output voltage comparison to OV limit

The pgood isolation algorithm for the phosphor-power-sequencer
application is being enhanced to handle more error scenarios.

One major enhancement is the option to determine the pgood status of a
voltage rail by comparing the output voltage to a fault limit.

The original design was to compare the output voltage to both the
overvoltage limit (VOUT_OV_FAULT_LIMIT) and the undervoltage limit
(VOUT_UV_FAULT_LIMIT).

After discussions with subject matter experts, the design has been
changed to remove the comparison with the overvoltage limit. While this
is important status information, it is not necessarily indicative of a
pgood fault and could lead to false positives.

Change-Id: I664e4b16fcaf32900798c59aeb4e4ed48db964bf
Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>

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pseq: Add is_power_supply_rail JSON file property

Enhance the JSON configuration file for the phosphor-power-sequencer
application. Add an "is_power_supply_rail" property to the "rail"
object.

Upd

pseq: Add is_power_supply_rail JSON file property

Enhance the JSON configuration file for the phosphor-power-sequencer
application. Add an "is_power_supply_rail" property to the "rail"
object.

Update the config file documentation, config file parser, Rail class,
and the associated tests.

Change-Id: I3d0e8276324dd9cf25f386016c6f275b540515aa
Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>

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pseq: Create standalone config file parser

Create a standalone JSON configuration file parser for the
phosphor-power-sequencer application. Support the new config file
properties in the parser.

Se

pseq: Create standalone config file parser

Create a standalone JSON configuration file parser for the
phosphor-power-sequencer application. Support the new config file
properties in the parser.

Separating the config file parser from the rest of the code makes it
easier to implement and test.

Create automated test cases to verify the parser functions.

Change-Id: Ia753ffadf395359899964a612e479b00377ad495
Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>

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