fjes: fix bitwise check bug in fjes_raise_intr_rxdata_task

In fjes_raise_intr_rxdata_task(), there's a bug of bitwise
check because of missing "& FJES_RX_POLL_WORK".
This patch fixes this bug.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>