fix(uac): Correcting the error in the function name esp_ptr_in_psram

[TDA-2030]

Description

• Corrected the incorrect function name esp_ptr_in_psram to esp_ptr_external_ram

Related

Testing

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Checklist

Before submitting a Pull Request, please ensure the following:

• 🚨 This PR does not introduce breaking changes.
• All CI checks (GH Actions) pass.
• Documentation is updated as needed.
• Tests are updated or added as necessary.
• Code is well-commented, especially in complex areas.
• Git history is clean — commits are squashed to the minimum necessary.

[peter-marcisovsky]

Just for my interest, what was the issue here? Is the esp_ptr_in_psram() deprecated?

[TDA-2030]

I also find this strange. This function doesn't seem to exist in esp-idf, and I can't remember how the name esp_ptr_in_psram came about. 😢 I just found that when using PSRAM, the compilation error message indicated that this function was not declared.

[peter-marcisovsky]

Interresting. That might be also a good test case. For example to build the uac example in CI with the PSRAM enabled.

For example something like here: sdkconfig.ci.esp32p4_psram

[TDA-2030]

I've already put that file in directory 'host/class/uac/usb_host_uac/test_app', is that okay?

[peter-marcisovsky]

Regarding the failing CI, there is a build error the fix is in #352