- Mention that the SC_PIXEL_MODE kernel option is required, in order   to use the VESA_800x600 raster text mode. - Fix the list of recognized keywords; "40x25" is not recognized,   but "VGA_40x25" is.
- Mention that the SC_PIXEL_MODE kernel option is required, in order
  to use the VESA_800x600 raster text mode.
- Fix the list of recognized keywords; "40x25" is not recognized,
  but "VGA_40x25" is.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase