Various bug fixes

Here is a series fixing some bugs for 8xx powerpc CPUs.

1. [POWERPC] Fix copy'n'paste typo in commproc.c
2. [PPC] Fix cpm_dpram_addr returning phys mem instead of virt mem
3. [PPC] Compile fix for 8xx CPM Ehernet driver
4. [POWERPC] Fix cpm_uart driver (updated)

This series can be pulled from git://git.bocc.de/dbox2.git ppc-fixes

Thanks,
Jochen