Documentation: Move diff.<driver>.* from config.txt to diff-config.txt

diff --git a/RelNotes b/RelNotes
index 156a87e7fb7b67781e3284d2af168a9ad2a7e28a..211e93c764610c3d2c779ffb7216574328f878fb 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.7.0.5.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.4.4.txt
\ No newline at end of file