Update GFLT110 config to work on Rev2 boards.

Rev2 boards have 256MB of ddr, and slightly different
GPIO configuration.

- Change memory size to 256MB.
- Change the CS mask for 256MB RAM.
- Change CPU Address map for 256MB RAM.
- Add setting for Pizza Arbiter
  (these are in uboot RC74 which we have not upgraded to)

Change-Id: I8ec349869e2f831df6deb8ab23721e5ec0fcde58
4 files changed