[media] drxd: get rid of EXPORT_SYMBOL(drxd_config_i2c)

This symbol is not used externally. Get rid of it.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/dvb-frontends/drxd.h

@@ -69,5 +69,4 @@ struct dvb_frontend *drxd_attach(const struct drxd_config *config,
 }
 #endif
 
-extern int drxd_config_i2c(struct dvb_frontend *, int);
 #endif

drivers/media/dvb-frontends/drxd_hard.c

@@ -2840,7 +2840,7 @@ static int drxd_init(struct dvb_frontend *fe)
 	return err;
 }
 
-int drxd_config_i2c(struct dvb_frontend *fe, int onoff)
+static int drxd_config_i2c(struct dvb_frontend *fe, int onoff)
 {
 	struct drxd_state *state = fe->demodulator_priv;
 
@@ -2849,7 +2849,6 @@ int drxd_config_i2c(struct dvb_frontend *fe, int onoff)
 
 	return DRX_ConfigureI2CBridge(state, onoff);
 }
-EXPORT_SYMBOL(drxd_config_i2c);
 
 static int drxd_get_tune_settings(struct dvb_frontend *fe,
 				  struct dvb_frontend_tune_settings *sets)