[oe] [PATCH] u-boot: Update to 2017.03 release

[Burton, Ross]

On 30 March 2017 at 19:06, Denys Dmytriyenko <denis at denix.org> wrote:

> "Known devil is better than unknown angel"? :)
>

Agreed, fwiw.  It's late and u-boot is quite important: cherry-pick the
patch for Pyro and master can upgrade once it has branched.

Ross