set_sleep seems to be unused in omap_hsmmc driver. so get rid of it.
Signed-off-by: NBalaji T K <balajitk@ti.com>
Signed-off-by: NRajendra Nayak <rnayak@ti.com>
Tested-by: NVenkatraman S <svenkatr@ti.com>
Signed-off-by: NChris Ball <cjb@laptop.org>