[oe] Build of u-boot with gold is broken

[Andrew Goodbody]

> > On Aug 18, 2016, at 6:44 AM, Andrew Goodbody
> <andrew.goodbody at cambrionix.com> wrote:
> >
> > Hi,
> >
> > It looks like the recent change to meta/recipes-bsp/u-boot/u-boot.inc to
> enable out of tree builds for u-boot does not work with gold.
> > The sed at line 70 fails as it is being executed in an empty build directory
> and so there is no config.mk.
> >
> 
> Send this to OE-core list you might need to add cd ${B} at beginning of
> do_compile

I wish it were that simple, but it does a cd ${B} before the call to do_compile, but ${B} is empty. Anyway I have resent this to oe-core, sorry for the noise.

Andrew