viafb: move some include files to include/linux

These are the files which should be available to subdevices compiled
outside of drivers/video/via.

Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Cc: Harald Welte <laforge@gnumonks.org>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/drivers/video/via/via-gpio.c b/drivers/video/via/via-gpio.c
index 67d699c..595516a 100644
--- a/drivers/video/via/via-gpio.c
+++ b/drivers/video/via/via-gpio.c
@@ -8,8 +8,8 @@
 #include <linux/spinlock.h>
 #include <linux/gpio.h>
 #include <linux/platform_device.h>
-#include "via-core.h"
-#include "via-gpio.h"
+#include <linux/via-core.h>
+#include <linux/via-gpio.h>
 
 /*
  * The ports we know about.  Note that the port-25 gpios are not