hw/usb: Style cleanup

We are going to modify these lines, fix their style
in order to avoid checkpatch.pl warning.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2 files changed