staging: tidspbridge: remove unnecessary include of <plat/clock.h>

The DSPBridge driver includes arch/arm/plat-omap/include/plat/clock.h.
All of the <plat/ ...> includes are causing problems with the ARM
single image kernel effort.  Remove this one.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/staging/tidspbridge/include/dspbridge/host_os.h

@@ -40,7 +40,6 @@
 #include <linux/vmalloc.h>
 #include <linux/ioport.h>
 #include <linux/platform_device.h>
-#include <plat/clock.h>
 #include <linux/clk.h>
 #include <plat/mailbox.h>
 #include <linux/pagemap.h>