[PATCH v2 6/9] ARM: add CONFIG_SCRATCH_SIZE

[Marco Felsch]

On 25-05-28, Michael Tretter wrote:
> CONFIG_SCRATCH_SIZE allows to configure the size of the scratch area for
> passing data from the PBL to barebox proper.
> 
> It may be also used to pass data from the PBL to other firmware or use
> it for passing data back to barebox, the size should be configurable.
> Since this may be more than 32K, the size should be configurable.
					^
Nit: repetition of "the size should be configurable"

> 
> Since other sizes in the memory layout are configurable as well, the
> memory layout isn't static.
> 
> Signed-off-by: Michael Tretter <m.tretter at pengutronix.de>

Reviewed-by: Marco Felsch <m.felsch at pengutronix.de>