[U-Boot] Silence "make clean"

[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

Best regards

Andreas Bießmann