Revert "drm/amdgpu: fix incorrect vm flags to map bo"

commit ac4ed2da upstream.

This reverts commit b08425fa.

Revert this to align with 6.17 because the fixes tag
was wrong on this commit.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit be33e8a2)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>