MLECO-2395: Allow users to select Ethos-U memory mode

Change-Id: Icf09410f12072e8d7850dd1e540c3243af24ed09
diff --git a/source/use_case/asr/usecase.cmake b/source/use_case/asr/usecase.cmake
index 21fc80d..60fc132 100644
--- a/source/use_case/asr/usecase.cmake
+++ b/source/use_case/asr/usecase.cmake
@@ -75,7 +75,7 @@
     STRING)
 
 if (ETHOS_U_NPU_ENABLED)
-    set(DEFAULT_MODEL_PATH      ${DEFAULT_MODEL_DIR}/wav2letter_pruned_int8_vela_H128.tflite)
+    set(DEFAULT_MODEL_PATH      ${DEFAULT_MODEL_DIR}/wav2letter_pruned_int8_vela_${DEFAULT_NPU_CONFIG_ID}.tflite)
 else()
     set(DEFAULT_MODEL_PATH      ${DEFAULT_MODEL_DIR}/wav2letter_pruned_int8.tflite)
 endif()