Add New Port: Grafx2 Pixel Editor

[Cebion]

Game Information Title: Grafx2 URL: http://grafx2.chez.com/

Suggestion https://suggestions.portmaster.games/suggestion-details?id=342db84439a34b7db5539cc6a6b7b06b, suggested by @garbi

Instructions: Ready to run!

Button	Action
DPAD	Mouse
A	Left Mouse
B	Right Mouse
L1	CTRL

CFW Tests: [X] AmberELEC [X] ArkOS [X] ROCKNIX [X] muOS

Architecture [X] aarch64 [X] Panfrost (Mainline)

Resolution Tests Test all major resolutions: [] 480x320 (Optional) [X] 640x480 [X] 720x720 (RGB30) [X] Higher resolutions (e.g., 1280x720)