f65466eb3a
This is going to be used by the Xen clock on Dom0 in order to set the RTC of the host. The current logic in atrtc_settime is moved to atrtc_set and the unused device_t parameter is removed from the atrtc_set function call so it can be safely used by other callers. Sponsored by: Citrix Systems R&D Reviewed by: kib, jhb Differential revision: https://reviews.freebsd.org/D6067