[PATCH i-g-t] tests/intel/kms_joiner: Update ultra joiner supported platforms

[Reddy Guddati, Santhosh]

Hi Karthik,

On 23-07-2025 12:16, Karthik B S wrote:
>> Would it be good to also check igt_is_dsc_supported_by_source here?
> 
> Thank you for the review.
> 
> I think from IGT/userspace end we shouldn't be concerned about if the 
> mode is supported with DSC or not, as long as it meets the criterion in 
> 'ultrajoiner_mode_found'. Please let me know if you see this otherwise.

LGTM,
Reviewed-by: Santhosh Reddy Guddati <santhosh.reddy.guddati at intel.com>

Thanks,
Santhosh