drm/imagination: Add gpuid module parameter
The "gpuid" module parameter is used to override the gpuid read from a
hardware register and is useful for testing the loading of different
firmware (including processing of the firmware header) without having
the hardware to hand.
Signed-off-by: Alexandru Dadu <alexandru.dadu@imgtec.com>
Reviewed-by: Alessio Belle <alessio.belle@imgtec.com>
Link: https://patch.msgid.link/20260113-device-support-info-v1-4-91e5db7f7294@imgtec.com
Signed-off-by: Matt Coster <matt.coster@imgtec.com>