staging: sw_sync: Export sw_sync API

Needed to let modules link against sw_sync.

Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Erik Gilling <konkers@android.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rob Clark <robclark@gmail.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: dri-devel@lists.freedesktop.org
Cc: Android Kernel Team <kernel-team@android.com>
Signed-off-by: Erik Gilling <konkers@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/sw_sync.c

@@ -15,6 +15,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/export.h>
 #include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/miscdevice.h>
@@ -43,6 +44,7 @@ struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value)
 
 	return (struct sync_pt *)pt;
 }
+EXPORT_SYMBOL(sw_sync_pt_create);
 
 static struct sync_pt *sw_sync_pt_dup(struct sync_pt *sync_pt)
 {
@@ -120,6 +122,7 @@ struct sw_sync_timeline *sw_sync_timeline_create(const char *name)
 
 	return obj;
 }
+EXPORT_SYMBOL(sw_sync_timeline_create);
 
 void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc)
 {
@@ -127,7 +130,7 @@ void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc)
 
 	sync_timeline_signal(&obj->obj);
 }
-
+EXPORT_SYMBOL(sw_sync_timeline_inc);
 
 #ifdef CONFIG_SW_SYNC_USER
 /* *WARNING*