Added Host Electrical Interface of supporting LPO modules (sonic-net#575)

Description
Added Host Electrical Interface code for LPO module.

Motivation and Context
Otherwise Xcvrd will Fail the state machine to identify the right application code for Datapath initialization

How Has This Been Tested?
The transceiver info displays the correct application

Author: prgeor

sonic_platform_base/sonic_xcvr/codes/public/sff8024.py

@@ -215,12 +215,10 @@ class Sff8024(XcvrCodes):
         27: '100GBASE-CR2 (Clause 136)',
         28: '200GBASE-CR4 (Clause 136)',
         29: '400G CR8',
-        30: '1000BASE-T (Clause 40)',
-        31: '2.5GBASE-T (Clause 126)',
-        32: '5GBASE-T (Clause 126)',
-        33: '10GBASE-T (Clause 55)',
-        34: '25GBASE-T (Clause 113)',
-        35: '40GBASE-T (Clause 113)',
+        32: 'LEI-100G-PAM4-1',
+        33: 'LEI-200G-PAM4-2',
+        34: 'LEI-400G-PAM4-4',
+        35: 'LEI-800G-PAM4-8',
         36: '50GBASE-T (Placeholder)',
         37: '8GFC (FC-PI-4)',
         38: '10GFC (10GFC)',