The patch adds the ability for vesafb to switch the DAC from 6-bit to 8-bit
at kernel boot.  Besides fixing the failure to draw the 224-color logo, an
8-bit DAC will also provide a wider color range for user applications.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>