usb/host/fotg210: Remove return statement inside if

This patch make changes to an if else statement which simplifies the code
allowing to remove a return.

CC: Joe Perches <joe@perches.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>