In the current code if "device_info" is ever NULL then the kernel will
Oops so probably || was intended instead of &&.

Fixes: e392c887 ("drm/amdkfd: Use array to probe kfd2kgd_calls")
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>