globalhandler: move cold & warm reset to new API
globalhandler: move cold & warm reset to new API

Rewritten "cold & warm reset" command to use the newly
introduced IPMI provider API.

Tested:
verified ipmitool cold reset and warm reset commands

ipmitool raw 6 2 //cold reset command
system reboots

ipmitool raw 6 3 //warm reset command
system reboots

Change-Id: I4638fffe33deb1c97f51f97c8f09fef6a8688fba
Signed-off-by: anil kumar appana <f674917bffa78d69e96d41e8fc787147657e234a@intel.com>
Signed-off-by: Richard Marian Thomaiyar <72ed7ca0c1d67ded0b254900bd2112efa735a144@linux.intel.com>

openbmc/phosphor-host-ipmid,openbmc/phosphor-host-ipmid,openbmc/phosphor-host-ipmid