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

[Description]
555eed2 [kernel][common][eth][Add EEE support for GDM]
4b2b087 [kernel][nor][Modify the factory partition size]
a3206d9 [kernel][common][eth][Add PHYA power down sanity check to SGMII initial sequence]

[Release-log]

Change-Id: If4b4c74519b3a8d3f1ed935f51f4897143c19a08
5 files changed