[U-Boot] Silence "make clean"

[Marek Vasut]

Dear Andreas Bießmann,

> On 13.11.2012 17:21, Wolfgang Denk wrote:
> > Dear Marek Vasut,
> > 
> > In message <201211131453.18366.marex at denx.de> you wrote:
> >>> 	make[1]: Entering directory `.../doc/DocBook'
> >>> 	make[1]: Leaving directory `.../doc/DocBook'
> >>> 
> >>> We didn't have this before, and we shouldn't have this.
> >>> 
> >>> Can you please fix this regression?  Thanks.
> >> 
> >> Is this not fixed in latest sources? I believe Tom fixed it.
> > 
> > It is not fixed in current top of tree in master, i. e.
> > v2013.01-rc1-78-g59852d0
> 
> Tom did only 'fix' a special case for MAKEALL:
> ed296d206a1840c0a0b6c1322379c950f9996905

How do you even replicate this? I don't see it on my box :-(

Best regards,
Marek Vasut