ARM: OMAP: remove plat/board.h file

plat/board.h file is now empty - remove it.

Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: linux-mmc@vger.kernel.org
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/mmc/host/omap.c

@@ -33,7 +33,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 
-#include <plat/board.h>
 #include <plat/mmc.h>
 #include <asm/gpio.h>
 #include <plat/dma.h>

drivers/mmc/host/omap_hsmmc.c

@@ -40,7 +40,6 @@
 #include <linux/regulator/consumer.h>
 #include <linux/pm_runtime.h>
 #include <mach/hardware.h>
-#include <plat/board.h>
 #include <plat/mmc.h>
 #include <plat/cpu.h>