[Edgecore][as9817-64d][as9817-64o] Add new platform

[brandonchuang]

CPU: COM-e Module Ice Lake-D (D-1713NT 4C or D-1734NT 8C) MAC: Broadcom Tomahawk 5(BCM78900), 1 pcs, 51.2Tbs multi-layer Ethernet switch controller RAM: DDR4 SDRAM (16GB x 2 with ECC (SO-DIMM) DDR4) NOR Flash (Boot) : 64MB NOR Flash (Backup) : 64MB M.2 2280 SSD : 240G NVMe SSD BMC Module: AST2600 Management: UART RS232 console port(RJ45 x1 port) Out-Band Management Ethernet port(RJ45 x 1 port) In-Band Management Ethernet port 2 x SFP28 ports Ethernet Port: 64 x QSFP-DD ports Power Supply: 12V/3000W PSU front to back airflow(AC to DC), 1+1 redundant load-sharing, hot-swappable Cooling: 4 FAN-tray modules with 4 pcs of 80mm x 80mm x 80mm 12V hot-swappable fans