Add MODULE_LICENSE to support building as a module.

Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/soc/imx/imx8m-blk-ctrl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c
index af67f2c3f7a1..a955513d6d68 100644
--- a/drivers/soc/imx/imx8m-blk-ctrl.c
+++ b/drivers/soc/imx/imx8m-blk-ctrl.c
@@ -891,3 +891,4 @@ static struct platform_driver imx8m_blk_ctrl_driver = {
 	},
 };
 module_platform_driver(imx8m_blk_ctrl_driver);
+MODULE_LICENSE("GPL");
-- 
2.36.0