[submodule] update sonic-linux-kernel#2985

Merged

qiluo-msft merged 5 commits intosonic-net:masterfrom qiluo-msft:qiluo/linux

Jun 18, 2019

Commits on Jun 12, 2019

[submodule] update sonic-linux-kernel
qiluo-msft
committed
update linux kernel version

Stepan Blyschak
authored and
qiluo-msft
committed
Fix many version strings
qiluo-msft
committed

Commits on Jun 13, 2019

update mellanox components (built with new kernel) (#7 )

stepanblyschak
authored and
qiluo-msft
committed

Commits on Jun 17, 2019

Update arista driver submodule (#8 )

Staphylo
authored and
qiluo-msft
committed