anv: Fix Xe KMD userptr unbind

Userptr don't have a valid gem fd so it can't use DRM_XE_VM_BIND_OP_UNMAP_ALL.
Current code was unbinding workaround_bo or returning error when
workaround_bo size was smaller than userptr address.

So here doing a regular DRM_XE_VM_BIND_OP_UNMAP, without setting
xe_bind->obj and setting xe_bind->range and xe_bind->addr.

Fixes: 19439624 ("anv: Use DRM_XE_VM_BIND_OP_UNMAP_ALL to unbind whole bos")
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28114>

src/intel/vulkan/xe/anv_kmd_backend.c

@@ -309,6 +309,11 @@ xe_vm_unbind_bo(struct anv_device *device, struct anv_bo *bo)
       .wait_count = 0,
       .signal_count = 0,
    };
+   if (bo->from_host_ptr) {
+      bind.address = bo->offset;
+      bind.size = bo->actual_size;
+      bind.op = ANV_VM_UNBIND;
+   }
    return xe_vm_bind_op(device, &submit, true);
 }