The original way to get this trophy was as follows:
Upload an image from your computer on skate.ea.com (no longer exists, don't try to use it)
Then you could use the image to make custom designs and logos for your skater.
The way to get the trophy in 2020.
1. Add a friend to your friends list who used the feature on their character
2. Edit Skater - Import that friends skater
3. Load the skater and edit the skater, the trophy should unlock
The method is outlined in this video
Please comment on this thread if you have a skater that used a custom logo that other users would be able to import