staging: r8188eu: call msecs_to_jiffies in _set_timer

The _set_timer wrapper function takes a timeout in milliseconds.
Call msecs_to_jiffies to convert the timeout to jiffies. Don't do
the calculation ourselves.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220115165536.231210-8-martin@kaiser.cx


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>