Unused variables will appear when setting RTE_LIBRTE_I40E_PMD
to be disabled.
The fix was to move these variables to the I40E_PMD scope,
since only I40E_PMD is using it.
Fixes: a9dbe1802226 ("fix ethdev port id validation")
Signed-off-by: Wisam Jaddo <wisamm@mellanox.com>
e62f3a8a04