drm/amdgpu: fix context memory leak
drm/amdgpu: fix context memory leak

Signed-off-by: Christian König <c7ea837d7a46effe4232b086213468b8b31643bf@amd.com>
Reviewed-by: Jammy Zhou <302958b3037f7fa601b11152090f51ed851f29fd@amd.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs