*Edited platform.json for 4600 & 4600C *Edited hwsku.json and port_config.ini files for all the SKU's present under these platforms Signed-off-by: Vivek Reddy Karri <vkarri@nvidia.com>
Add new SKU of SN4600C switch: Mellanox-SN4600c-c64 Co-authored-by: Madhan Babu <madhan@r-build-sonic06.mtr.labs.mlnx>