Use 2MB fragment size by default for older hardware generations as well.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Acked-by: NJohn Bridgman <john.bridgman@amd.com>
Reviewed-by: NRoger He <Hongbo.He@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>