[PATCH] powerpc: Implement GPIO LIB API on CPM2 Freescale SoC.

[Jochen Friedrich]

Hi Laurent,

> This patch implement GPIO LIB support for the CPM2 GPIOs.
> 
> The code is based on Jochen Friedrich's patch for the CPM1.

I guess most of this should go to cpm_common.c and should be used for
Port E on CPM1, as well. This port uses the same layout as CPM2 while 
Port B uses a different layout. See the discussion in
http://patchwork.ozlabs.org/linuxppc/patch?id=16282

Thanks,
Jochen