drm/amdgpu: fix incorrect vm flags to map bo

[ Upstream commit 040bc6d0e0e9c814c9c663f6f1544ebaff6824a8 ]

It should use vm flags instead of pte flags
to specify bo vm attributes.

Fixes: 7946340f ("drm/amdgpu: Move csa related code to separate file")
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit b08425fa77ad2f305fe57a33dceb456be03b653f)
Signed-off-by: Sasha Levin <sashal@kernel.org>