This (trivial) patch.
 1. Changes dynamic mutex initialization to static initialization.
 2. Removes one acpi_ipmi_init() variable initialization as it is not
    needed.
Signed-off-by: NLv Zheng <lv.zheng@intel.com>
Reviewed-by: NHuang Ying <ying.huang@intel.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>