Documentation/gpu: update dGPU asic info table

Update to the latest launched dGPUs.

Link: https://www.amd.com/en/graphics/radeon-rx-graphics
Link: https://www.amd.com/en/graphics/amd-radeon-rx-laptops
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>