staging: vt6656: replaced custom TRUE definition with true

Checkpatch findings were not resolved, just direct replacement.

sed -i 's/\bTRUE\b/true/g' drivers/staging/vt6656/*.[ch]

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>