RGB frame buffer with fifo to HDMI, not quite working
split fifo and control regs to separate pages
Added NrccSyncBRAM
test mmap of device fifo address space
added way to query FIFO request and response message sizes
Use a dual ported BRAM for a linebuffer between FrameBufferBRAM and HDMI
wip DisplayController to move FrameBufferBram to HDMI clock domain
test yuvtorgb conversion script