This driver is licensed GPL-2.0-only, so add the corresponding module flag.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
 drivers/mfd/stmpe-spi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/stmpe-spi.c b/drivers/mfd/stmpe-spi.c
index 7fee64102cae7..dea31efface6e 100644
--- a/drivers/mfd/stmpe-spi.c
+++ b/drivers/mfd/stmpe-spi.c
@@ -145,3 +145,4 @@ module_spi_driver(stmpe_spi_driver);
 
 MODULE_DESCRIPTION("STMPE MFD SPI Interface Driver");
 MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>");
+MODULE_LICENSE("GPL");
-- 
2.43.0