feat(display_drivers): Update display drivers to share code by refactoring into base class. Add SpiPanelIo helper class as well

[finger563]

Description

Motivation and Context

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.

Hardware

• I have updated the design files (schematic, board, libraries).
• I have attached the PDFs of the SCH / BRD to this PR
• I have updated the design output (GERBER, BOM) files.

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⚡ Static analysis result ⚡

🔴 cppcheck found 2 issues! Click here to see details.

espp/components/display_drivers/example/main/display_drivers_example.cpp

Lines 426 to 431 in 3323ba0

	if (!spi_bus || !spi_bus->initialized()) {
	fmt::print("Failed to initialize SPI bus\n");
	return;
	}
	#ifdef CONFIG_DISPLAY_QUAD_SPI

!Line: 426 - style: Condition '!spi_bus' is always false [knownConditionTrueFalse]

espp/components/display_drivers/example/main/display_drivers_example.cpp

Lines 472 to 477 in 3323ba0

	if (!panel_io || !panel_io->initialized()) {
	fmt::print("Failed to initialize SPI panel I/O\n");
	return;
	}
	#endif

!Line: 472 - style: Condition '!panel_io' is always false [knownConditionTrueFalse]

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