crypto: iaa - Test the correct request flag

[ Upstream commit fc4bd01d ]

Test the correct flags for the MAY_SLEEP bit.

Fixes: 2ec6761d ("crypto: iaa - Add support for deflate-iaa compression algorithm")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>