plugins/hwclock: Use short-form -s/-w -u to work with BusyBox hwclock as well.
plugins/hwclock: Use short-form -s/-w -u to work with BusyBox hwclock as well.

Signed-off-by: Joachim Nilsson <583c295fd7602c168ad814279bbc3894ba65f5d6@gmail.com>

troglobit/finit,troglobit/finit,westermo/finit,westermo/finit