[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/stv0367.h b/drivers/media/dvb-frontends/stv0367.h
index 93cc4a5..ea80b34 100644
--- a/drivers/media/dvb-frontends/stv0367.h
+++ b/drivers/media/dvb-frontends/stv0367.h
@@ -26,6 +26,7 @@
 #ifndef STV0367_H
 #define STV0367_H
 
+#include <linux/kconfig.h>
 #include <linux/dvb/frontend.h>
 #include "dvb_frontend.h"
 
@@ -38,8 +39,7 @@
 	int clk_pol;
 };
 
-#if defined(CONFIG_DVB_STV0367) || (defined(CONFIG_DVB_STV0367_MODULE) \
-							&& defined(MODULE))
+#if IS_ENABLED(CONFIG_DVB_STV0367)
 extern struct
 dvb_frontend *stv0367ter_attach(const struct stv0367_config *config,
 					struct i2c_adapter *i2c);