Add a define for the new PHY identification as well as it's mapping
to the correct PHY type.  Also allow ethtool to identify this type
as well.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
        switch (adapter->hw.phy.type) {
        case ixgbe_phy_tn:
        case ixgbe_phy_aq:
+       case ixgbe_phy_x550em_ext_t:
        case ixgbe_phy_cu_unknown:
                ecmd->supported |= SUPPORTED_TP;
                ecmd->advertising |= ADVERTISED_TP;
 
        case ATH_PHY_ID:
                phy_type = ixgbe_phy_nl;
                break;
+       case X557_PHY_ID:
+               phy_type = ixgbe_phy_x550em_ext_t;
+               break;
        default:
                phy_type = ixgbe_phy_unknown;
                break;
 
 #define TN1010_PHY_ID    0x00A19410
 #define TNX_FW_REV       0xB
 #define X540_PHY_ID      0x01540200
+#define X557_PHY_ID      0x01540240
 #define QT2022_PHY_ID    0x0043A400
 #define ATH_PHY_ID       0x03429050
 #define AQ_FW_REV        0x20