ARM: OMAP3: HSMMC fix for hotplug scenario.

This patch fixes the inconsistancy noted if the card is removed from the slot
duing an active I/O.

Signed-off-by: Madhusudhan Chikkature<madhu.cr@ti.com>
Signed-off-by: Romit Dasgupta <romit@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>