Add BSDMakefile for libpscnv
Add libpscnv shared lib target
libpscnv: Add a lightweight command submission library.
libpscnv was ported on cmake
libpscnv: Add the new GEM flags.
pfifo/pgraph: The new engine abstraction.
getparam: Readd FB_SIZE, Nuke VRAM_SIZE.
pfifo: Add IB support.
Some more errors are possible with IB, which we don't handle yet. To be
remove .a file from git...
libpscnv: Ioctl wrappers