[PATCH 09/10] iommu/rockchip: convert to SPDX license tags

[Heiko Stübner]

Am Donnerstag, 13. Juni 2019, 18:27:02 CEST schrieb Yangtao Li:
> Updates license to use SPDX-License-Identifier.
> 
> Signed-off-by: Yangtao Li <tiny.windzz at gmail.com>

Acked-by: Heiko Stuebner <heiko at sntech.de>