mailmap: Update mail address

Update my email address from gmail to my domain.

Signed-off-by: Ricardo Ribalda Delgado <[email protected]>

.mailmap

@@ -31,8 +31,8 @@ Markus Klotzbuecher <[email protected]>
 Paul Burton <[email protected]> <[email protected]>
 Prabhakar Kushwaha <[email protected]>
 Rajeshwari Shinde <[email protected]>
-Ricardo Ribalda <[email protected]>
-Ricardo Ribalda <[email protected]>
+Ricardo Ribalda <ricardo@ribalda.com> <ricardo[email protected]>
+Ricardo Ribalda <ricardo@ribalda.com> <ricardo[email protected]>
 Sandeep Paulraj <[email protected]>
 Shaohui Xie <[email protected]>
 Stefan Roese <stroese>