qed: Correct min bandwidth for 100g

Driver uses reverse logic when checking if minimum
bandwidth configuration applied, causing it to
configure the guarantee only on the first hw-function.

Fixes: a0d26d5a

 ("qed*: Don't reset statistics on inner reload")
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>