qede_link_update() always returns -1 i.e. link not changed,
because it compares the variables which always hold same value.
Fix this function by using rte_eth_linkstatus_set().
Fixes: 2ea6f76aff40 ("qede: add core driver")
Cc: stable@dpdk.org
Signed-off-by: Shahed Shaikh <shahed.shaikh@cavium.com>
c6034a20d9