src: Get rid of unneeded whitespace

Change-Id: I3873cc8ff82cb043e4867a6fe8c1f253ab18714a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27295
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/lib/device_tree.c b/src/lib/device_tree.c
index 2191659..3d44f39 100644
--- a/src/lib/device_tree.c
+++ b/src/lib/device_tree.c
@@ -497,12 +497,12 @@
  *
  * @param parent	The node from which to start the relative path lookup.
  * @param path		An array of path component strings that will be looked
- * 			up in order to find the node. Must be terminated with
- * 			a NULL pointer. Example: {'firmware', 'coreboot', NULL}
+ *			up in order to find the node. Must be terminated with
+ *			a NULL pointer. Example: {'firmware', 'coreboot', NULL}
  * @param addrcp	Pointer that will be updated with any #address-cells
- * 			value found in the path. May be NULL to ignore.
+ *			value found in the path. May be NULL to ignore.
  * @param sizecp	Pointer that will be updated with any #size-cells
- * 			value found in the path. May be NULL to ignore.
+ *			value found in the path. May be NULL to ignore.
  * @param create	1: Create node(s) if not found. 0: Return NULL instead.
  * @return		The found/created node, or NULL.
  */