SAUCE: fix the missing header of <linux/module.h>

Signed-off-by: Eric Miao <eric.miao@linaro.org>
diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c
index f25e188f..9769811 100644
--- a/drivers/mfd/da9052-spi.c
+++ b/drivers/mfd/da9052-spi.c
@@ -9,6 +9,7 @@
  * da9052-spi.c: SPI SSC (Synchronous Serial Communication) driver for DA9052
  */
 
+#include <linux/module.h>
 #include <linux/device.h>
 #include <linux/mfd/core.h>
 #include <linux/spi/spi.h>