Rename imacfb.txt to efifb.txt since imacfb was moved to efifb,and change
imacfb to efifb.
Signed-off-by: NJustin P. Mattock <justinmattock@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>