We were using the wrong structure which lead to an overflow
on some boards.

bug: https://bugs.freedesktop.org/show_bug.cgi?id=101387Acked-by: NChunming Zhou <david1.zhou@amd.com>
Acked-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org