aha1542: Convert aha1542_intr_reset to function

Convert aha1542_intr_reset macro to inline function

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>