V4L/DVB (3581): Add new media/msp3400.h header containing the routing macros

Moved msp3400.h to msp3400-driver.h.
Created media/msp3400.h with the new routing defines and lots of comments.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index 9a47ba2..0425028 100644
--- a/drivers/media/video/msp3400-driver.c
+++ b/drivers/media/video/msp3400-driver.c
@@ -54,9 +54,10 @@
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
 #include <media/tvaudio.h>
+#include <media/msp3400.h>
 #include <linux/kthread.h>
 #include <linux/suspend.h>
-#include "msp3400.h"
+#include "msp3400-driver.h"
 
 /* ---------------------------------------------------------------------- */