[submodule]: use SAI 1.5.1 header#3583

Merged

lguohan merged 3 commits intosonic-net:masterfrom

Oct 18, 2019

Commits on Oct 9, 2019

[submodule]: update sonic-sairedis
lguohan
committed

Commits on Oct 10, 2019

[bcm SAI] upgrade Broadcom SAI to version 3.5.3.1m-25 (#48)

yxieca
authored and
lguohan
committed

Commits on Oct 17, 2019

[Mellanox] Support SAI 1.5 (#49)

stephenxs
authored and
lguohan
committed