Add MODULE_LICENSE to support building as module.

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

diff --git a/drivers/soc/imx/soc-imx8m.c b/drivers/soc/imx/soc-imx8m.c
index 32ed9dc88e45..1dcd243df567 100644
--- a/drivers/soc/imx/soc-imx8m.c
+++ b/drivers/soc/imx/soc-imx8m.c
@@ -242,3 +242,4 @@ static int __init imx8_soc_init(void)
 	return ret;
 }
 device_initcall(imx8_soc_init);
+MODULE_LICENSE("GPL");
-- 
2.36.0