fix(ina226): Fix configuration / initialization of INA226, as well as bus voltage calculation

[finger563]

Description

• Fix configuration / initialization of ina226
• Add reset function
• Fix computation of bus voltage

Motivation and Context

Ensures the ina226 component does what it is supposed to do properly.

How has this been tested?

Screenshots (if appropriate, e.g. schematic, board, console logs, lab pictures):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update
• Hardware (schematic, board, system design) change
• Software change

Checklist:

• My change requires a change to the documentation.
• I have added / updated the documentation related to this change via either README or WIKI

Software

• I have added tests to cover my changes.
• I have updated the .github/workflows/build.yml file to add my new test to the automated cloud build github action.
• All new and existing tests passed.
• My code follows the code style of this project.

[Copilot]

Pull Request Overview

This PR fixes critical bugs in the INA226 power monitor driver's configuration and initialization. The changes correct bit field mappings in the configuration register, fix the bus voltage calculation formula, and add proper device verification during initialization.

Key Changes

• Fixed incorrect bit positions for AVG, VBUSCT, and VSHCT fields in the CONFIG register
• Corrected bus voltage calculation by removing incorrect bit shift operation
• Added device ID verification and reset functionality to initialization sequence

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[github-actions]

✅Static analysis result - no issues found! ✅