scripts/documentation-file-ref-check: teach about .txt -> .yaml renames

At DT, files are being renamed to jason. Teach the script how to
handle such renames when used in fix mode.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

scripts/documentation-file-ref-check

@@ -165,6 +165,14 @@ foreach my $ref (keys %broken_ref) {
 
 	# usual reason for breakage: DT file moved around
 	if ($ref =~ /devicetree/) {
+		# usual reason for breakage: DT file renamed to .yaml
+		if (!$f) {
+			my $new_ref = $ref;
+			$new_ref =~ s/\.txt$/.yaml/;
+			$f=$new_ref if (-f $new_ref);
+		}
+
+		if (!$f) {
 			my $search = $new;
 			$search =~ s,^.*/,,;
 			$f = qx(find Documentation/devicetree/ -iname "*$search*") if ($search);
@@ -174,6 +182,7 @@ foreach my $ref (keys %broken_ref) {
 				$f = qx(find Documentation/devicetree/ -iname "*$search*") if ($search);
 			}
 		}
+	}
 
 	# usual reason for breakage: file renamed to .rst
 	if (!$f) {