MAINTAINERS: update amdgpu maintainers list

Xinhui's email is no longer valid.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2025-02-11 15:38:20 -05:00
commit c19390ca90