Update board files

- Update board files to 2.6.38 compatible
- Update board files to be 3.0.31 compatible
- Fix build error. Now, board files are building successfully.
- msm_msm7x2x_allocate_memory_regions() is called in MACHINE_INIT->init_early
- Remove platform devices for USB functions

Change-Id: I00a0e4f7be0677650ea4da7fdcb9d685f60d6a5b