tee: indicate privileged dev in gen_caps

Mirrors the TEE_DESC_PRIVILEGED bit of struct tee_desc:flags into struct
tee_ioctl_version_data:gen_caps as TEE_GEN_CAP_PRIVILEGED in
tee_ioctl_version()

Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

drivers/tee/tee_core.c

@@ -90,8 +90,13 @@ static int tee_ioctl_version(struct tee_context *ctx,
 	struct tee_ioctl_version_data vers;
 
 	ctx->teedev->desc->ops->get_version(ctx->teedev, &vers);
+
+	if (ctx->teedev->desc->flags & TEE_DESC_PRIVILEGED)
+		vers.gen_caps |= TEE_GEN_CAP_PRIVILEGED;
+
 	if (copy_to_user(uvers, &vers, sizeof(vers)))
 		return -EFAULT;
+
 	return 0;
 }