tree d0d28bdb6c718bdd25c6097d9af16c151cebede5
parent 376f6b5674b45941a7bef3ae89e7f452840353ff
author June Tate-Gans <jtgans@google.com> 1547506449 -0800
committer June Tate-Gans <jtgans@google.com> 1547506521 -0800

uboot: Add optional extra bootargs for the kernel

This allows us to tweak the bootargs at the u-boot prompt additively for
diagnostics or testing.

Change-Id: Ib2ede34abc8fa02a8bdd5b4d2d50e0aa145cb124