[core] Replace USE_ESP_IDF with USE_ESP32 across components (#12673)

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: J. Nick Koston <nick@koston.org>

platformio.ini

@@ -156,6 +156,7 @@ lib_deps =
     esphome/ESP32-audioI2S@2.3.0         ; i2s_audio
     droscy/esp_wireguard@0.4.2           ; wireguard
     esphome/esp-audio-libs@2.0.1         ; audio
+    kahrendt/ESPMicroSpeechFeatures@1.1.0  ; micro_wake_word
 
 build_flags =
     ${common:arduino.build_flags}