staging/dream: add gpio and pmem support

[Paulius Zaleckas]

On 10/22/2009 12:13 PM, Pavel Machek wrote:
>
> This adds generic_gpio and pmem support, both are needed for other
> dream drivers.

Why you are not using existing gpiolib? That would make your driver a
lot smaller and cleaner... and possibly with less bugs...

Why not split gpio and pmem into separate patches?

> Signed-off-by: Pavel Machek<pavel at ucw.cz>