add Kconfig options in addition/in place of CMOS option

[Josef Kellermann]

Attached patch adds sane compile-time defaults via Kconfig options for 
CMOS options
  'iommu, ECC_memory, max_mem_clock, hw_scrubber, interleave_chip_selects'.
Avoid build error if any of these CMOS options are not defined.
Checks the return value of 'get_option(..)', if not done yet, and
if CMOS option not exist grab a Kconfig option otherwise a hardcoded
value is used.

Signed-off-by: Josef Kellermann

add Kconfig options in addition/in place of CMOS option

[Georgi, Patrick]

Am Freitag, den 18.02.2011, 20:24 +0100 schrieb Josef Kellermann:
> Attached patch adds sane compile-time defaults via Kconfig options for
> CMOS options 'iommu, ECC_memory, max_mem_clock, hw_scrubber,

I changed the ramstage code a bit.
The romstage code could and should also be very different (all those
ifdefs...), but that requires work on the CMOS routines first, which
would be beyond the scope of this patch.
> Signed-off-by: Josef Kellermann

Acked-by: Patrick Georgi 
and
r6380

Patrick