staging: vt6656: removed unnecessary braces around if-else statements

removed unnecessary braces around if-else statement whenever
the if-else construct was followed by just single line of code
to comply with linux coding style

Signed-off-by: Nandini Hanumanthagowda <nandu.hgowda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>