Add initializer with file and data file paths (#13830)

Author: shoumikhin

extension/apple/ExecuTorch/Exported/ExecuTorchModule.h

@@ -134,10 +134,21 @@ __attribute__((deprecated("This API is experimental.")))
  * @return An initialized ExecuTorchModule instance.
  */
 - (instancetype)initWithFilePath:(NSString *)filePath
-                    dataFilePath:(NSString *)dataPath
+                    dataFilePath:(NSString *)dataFilePath
                         loadMode:(ExecuTorchModuleLoadMode)loadMode
     NS_DESIGNATED_INITIALIZER;
 
+/**
+ * Initializes a module with a file path, data path and a specified load mode.
+ *
+ * @param filePath A string representing the path to the ExecuTorch program file.
+ * @param dataFilePath A string representing the path to a .ptd file with
+ * external tensors and external data.
+ * @return An initialized ExecuTorchModule instance.
+ */
+- (instancetype)initWithFilePath:(NSString *)filePath
+                    dataFilePath:(NSString *)dataFilePath;
+
 /**
  * Initializes a module with a file path and a specified load mode.
  *

extension/apple/ExecuTorch/Exported/ExecuTorchModule.mm

@@ -265,6 +265,13 @@ - (instancetype)initWithFilePath:(NSString *)filePath
   return self;
 }
 
+- (instancetype)initWithFilePath:(NSString *)filePath
+                    dataFilePath:(NSString *)dataFilePath {
+  return [self initWithFilePath:filePath
+                   dataFilePath:dataFilePath
+                       loadMode:ExecuTorchModuleLoadModeFile];
+}
+
 - (instancetype)initWithFilePath:(NSString *)filePath
                         loadMode:(ExecuTorchModuleLoadMode)loadMode {
   return [self initWithFilePath:filePath