Tweak WedgeI2CBus to handle 32-port Wedges
Tweak WedgeI2CBus to handle 32-port Wedges

Summary: We want to support Wedges with both 16 ports and 32 ports;  this will autodetect the underlying chipset and extract the appropriate data.  With the added classes, this should also integrate with FBOSS relatively easily to extract QSFP data on both platforms.

Reviewed By: simpkins

Differential Revision: D2603696

fb-gh-sync-id: 1e27b6827b1851decdd2d45a9ee03c8f5ee16c48

peterlei/fboss,peterlei/fboss,peterlei/fboss,neuhausler/fboss,neuhausler/fboss,neuhausler/fboss,neuhausler/fboss,peterlei/fboss