MLECO-3254 Default to using only one file per UC


Signed-off-by: Eanna O Cathain <eanna.ocathain@arm.com>
Change-Id: I4a1cd2b5746cb479ae0d81ed973961cec2f3046e
diff --git a/source/use_case/vww/usecase.cmake b/source/use_case/vww/usecase.cmake
index 7ef4596..dd7852a 100644
--- a/source/use_case/vww/usecase.cmake
+++ b/source/use_case/vww/usecase.cmake
@@ -18,9 +18,7 @@
 # Append the API to use for this use case
 list(APPEND ${use_case}_API_LIST "vww")
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom image files, or path to a single image file, to use in the evaluation application"
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".png" ${use_case})
 
 USER_OPTION(${use_case}_IMAGE_SIZE "Square image size in pixels. Images will be resized to this size."
     128