[PATCH] Correct apparent typo CONFIG_ATY_CT in ATY video

Replace the apparent typo CONFIG_ATY_CT with CONFIG_FB_ATY_CT.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Ville Syrjala <syrjala@sci.fi>
Cc: Antonino A. Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>