Blackfin RTC driver: we pass in a (struct device*) to the irq handler, not a...

Blackfin RTC driver: we pass in a (struct device*) to the irq handler, not a (struct platform_device*), so fix the irq handler

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Acked-by: Alessandro Zummo <alessandro.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>