[FREELDR]: Start rewrite of eVb's messed up FreeLDR paging code. The new code is...

[FREELDR]: Start rewrite of eVb's messed up FreeLDR paging code. The new code is all dynamic and makes much better decisions as to the layout of the address space and how things will be implemented. Already, we are saving 16MB of VA. For now we still consume a large (1 MB) page for simplicity for the page directory, but that can go away later. I will post a diagram later if time permits. We get to MMU enabled and the PDE_BASE mapping works.
[NTOS]: Start redefining ARMv6 paging structures.

svn path=/trunk/; revision=45477