net/ixgbe: fix MAC VLAN filter fail problem
net/ixgbe: fix MAC VLAN filter fail problem

Add a mode type check for MAC VLAN mode, if fdir is
in this mode, it do not need to do sanity check for x550.

Fixes: dc0c16105d2d ("ixgbe: fix X550 flow director check")
Cc: stable@dpdk.org

Signed-off-by: Wei Zhao <55941fd0e75edbdf274af2cfac8f147525678f08@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk