[media] dvb-frontends: use IS_ENABLED

Instead of checking everywhere there for 3 symbols, use instead
IS_ENABLED macro.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb-frontends/s5h1411.h b/drivers/media/dvb-frontends/s5h1411.h
index 45ec0f8..e4f5687 100644
--- a/drivers/media/dvb-frontends/s5h1411.h
+++ b/drivers/media/dvb-frontends/s5h1411.h
@@ -22,6 +22,7 @@
 #ifndef __S5H1411_H__
 #define __S5H1411_H__
 
+#include <linux/kconfig.h>
 #include <linux/dvb/frontend.h>
 
 #define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
@@ -68,8 +69,7 @@
 	u8 status_mode;
 };
 
-#if defined(CONFIG_DVB_S5H1411) || \
-	(defined(CONFIG_DVB_S5H1411_MODULE) && defined(MODULE))
+#if IS_ENABLED(CONFIG_DVB_S5H1411)
 extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
 					   struct i2c_adapter *i2c);
 #else