[rdkb][common][bsp][Refactor and sync kernel from openwrt]

[Description]
6ae9b08 [MAC80211][hnat][Remove w/k patch for C50 flooding issue]
9585b32 [kernel][common][eth][Update phylink_pcs support for the SGMII/USXGMII]
dd245aa [[kernel][mt7988][eth][add reset function from fe to fe&&wdma reset]]
018bb67 [openwrt][mt7988][thermal][Add LVTS hardware configurations]
3b2daf4 [kernel][common][eth][Fix Coverity scan warning]

[Release-log]

Change-Id: If664f1a8fffe691633a83251b64a404e16aff4bc
8 files changed