gpu: host1x: Expose syncpt and channel functionality

Expose the buffer objects, syncpoint and channel functionality in the
public public header so that drivers can use them.

Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/gpu/host1x/hw/debug_hw.c

@@ -19,7 +19,6 @@
 #include "debug.h"
 #include "cdma.h"
 #include "channel.h"
-#include "host1x_bo.h"
 
 #define HOST1X_DEBUG_MAX_PAGE_OFFSET 102400