feat: Update motorgo configuration to allow selection of which motor to use

[finger563]

No description provided.

[github-actions]

✅Static analysis result - no issues found! ✅

[Copilot]

Pull request overview

This PR updates the MotorGo Mini example configuration so developers can select which BLDC motor channel (motor 1 vs motor 2) the example controls, avoiding initialization/configuration of the unused motor.

Changes:

• Add a Kconfig choice to select Motor 1 or Motor 2 when targeting MotorGo Mini.
• Update main.cpp to apply PID tuning and initialize the selected MotorGo Mini motor channel accordingly.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
main/main.cpp	Adds compile-time motor selection to choose and initialize Motor 1 or Motor 2 and applies shared PID tuning to the selected config.
main/Kconfig.projbuild	Introduces a Kconfig choice (EXAMPLE_BLDC_MOTOR) to select which MotorGo Mini BLDC motor is controlled.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[github-actions]

ESP-IDF Size Report for 'Software Defined Haptics'

Metric	Base	PR	Delta
FLASH	617,400 bytes (29.44%)	617,460 bytes (29.44%)	🔺 +60 bytes (0.00%)
DRAM	76,515 bytes (22.39%)	76,515 bytes (22.39%)	0 bytes (0.00%)
IRAM	16,384 bytes (100.00%)	16,384 bytes (100.00%)	0 bytes (0.00%)
RAM (DRAM+IRAM)	92,899 bytes	92,899 bytes	0 bytes (0.00%)

_{FLASH uses app .bin size or json2 flash sum. RAM sums DRAM+IRAM via idf_size. Percentages shown when totals are available.
DRAM/IRAM usage does not include memory used by the heap allocator at runtime.
This report was generated by esp-idf-size-delta.}