drm/amd/powerplay: clear VBIOS scratchs on baco exit V2

This is needed for coming asic init on performing gpu reset.

V2: use non-asic specific programing way

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed