Flushing spurious IRQs from HSMMC IP is done twice in omap_hsmmc_irq
and omap_hsmmc_do_irq.  Consolidate them to one location.
Signed-off-by: NVenkatraman S <svenkatr@ti.com>
Acked-by: NFelipe Balbi <balbi@ti.com>
Signed-off-by: NChris Ball <cjb@laptop.org>