debugfs: Add dummy implementation of few helpers

This adds (missing) dummy implementations of
debugfs_create_file_unsafe() and debugfs_create_ulong().

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/debugfs.h

@@ -196,6 +196,14 @@ static inline struct dentry *debugfs_create_file(const char *name, umode_t mode,
 	return ERR_PTR(-ENODEV);
 }
 
+static inline struct dentry *debugfs_create_file_unsafe(const char *name,
+					umode_t mode, struct dentry *parent,
+					void *data,
+					const struct file_operations *fops)
+{
+	return ERR_PTR(-ENODEV);
+}
+
 static inline struct dentry *debugfs_create_file_size(const char *name, umode_t mode,
 					struct dentry *parent, void *data,
 					const struct file_operations *fops,
@@ -289,6 +297,14 @@ static inline struct dentry *debugfs_create_u64(const char *name, umode_t mode,
 	return ERR_PTR(-ENODEV);
 }
 
+static inline struct dentry *debugfs_create_ulong(const char *name,
+						umode_t mode,
+						struct dentry *parent,
+						unsigned long *value)
+{
+	return ERR_PTR(-ENODEV);
+}
+
 static inline struct dentry *debugfs_create_x8(const char *name, umode_t mode,
 					       struct dentry *parent,
 					       u8 *value)