[ARM] 5151/1: Tosa: remove double inclusion of linux/delay.h

The patch applies to the linux-next tree.

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Acked-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>