Cleanup and consolidate IPC, GL objects

[vintagepc]

Description

Pulls in a few older features into mainline for better/easier branch org

Linked issues:

• Closes [FEATURE] Consolidate new pipe-frontend code with existing devices #288

• Convert indicator derivatives to GLIndicator base class

• Convert TMC and Allegro drivers to GL Motor base class

• Re-run IWYU to check for extra or missing headers.

• Add test cases for IPC printers

[codecov]

Codecov Report

Merging #319 (848ca1e) into master (f66f6af) will decrease coverage by 0.10%.
The diff coverage is 95.92%.

@@            Coverage Diff             @@
##           master     #319      +/-   ##
==========================================
- Coverage   88.94%   88.84%   -0.11%     
==========================================
  Files         140      148       +8     
  Lines        6687     6707      +20     
==========================================
+ Hits         5948     5959      +11     
- Misses        739      748       +9     

Impacted Files	Coverage Δ
parts/BasePeripheral.h	97.22% <ø> (ø)
parts/Board.cpp	76.12% <ø> (ø)
parts/Board.h	91.66% <ø> (ø)
parts/I2CPeripheral.cpp	94.89% <ø> (ø)
parts/KeyController.cpp	100.00% <ø> (ø)
parts/PrinterFactory.cpp	71.42% <ø> (ø)
parts/PrinterFactory.h	100.00% <ø> (ø)
parts/ScriptHost.cpp	56.72% <ø> (ø)
parts/TelemetryHost.cpp	66.33% <ø> (ø)
parts/boards/EinsyRambo.h	100.00% <ø> (ø)
... and 77 more

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