V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tda9887.h b/drivers/media/video/tda9887.h
index 8f873a8..be49dcb 100644
--- a/drivers/media/video/tda9887.h
+++ b/drivers/media/video/tda9887.h
@@ -30,7 +30,7 @@
 						  struct i2c_adapter *i2c_adap,
 						  u8 i2c_addr)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
 }
 #endif