[why]
Currently logical values are swapped in HW, causing
system aperture to be undefined, so VA and PA cannot co-exist

[how]
program values correctly
Signed-off-by: NJun Lei <Jun.Lei@amd.com>
Reviewed-by: NYongqiang Sun <yongqiang.sun@amd.com>
Acked-by: NLeo Li <sunpeng.li@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>