Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority

import syborg_fb
import syborg_interrupt
import syborg_rtc
import syborg_serial
import syborg_timer
import syborg_keyboard
import syborg_pointer