video: fbdev: asiliantfb: remove redundant assignment to variable Ftarget

Variable Ftarget is being initialized with a value that is never read,
it is being re-assigned a different value a little later on. The
assignment is redundant and can be removed.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>