tree 7f645ba5e7965bdf1109cebddfc090830a59bc5c
author Amithash Prasad <amithash@fb.com> 1520474297 -0800
committer Brad Bishop <bradleyb@fuzziesquirrel.com> 1522264574 +0000

Add Portwell Neptune machine

Initial introduction of Portwell Neptune family equipped with
Aspeed 2500 BMC SoC.

Tested: Build portwell neptune board and load on the target hardware.
Ensure that BMC boots to console.

Change-Id: I7a97162dfe3031904e27f2de2691e693079c9216
Signed-off-by: Amithash Prasad <amithash@fb.com>