cfb_console: Fix function console_back

* Do not disable and enable the cursor again.

console_back() is called only from video_putc() which already turns
the cursor off at the beginning and turns it on at the end, so there
is no need to change the cursor in console_back().

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
1 file changed