storagehandler: move Clear SEL to new IPMI API

Rewritten "Clear SEL" command to use the newly
introduced IPMI provider API.

Tested:
verified operation of clear SEL, and queried
the sel list before & after clear SEL
execution.

ipmitool raw 0x0a 0x47 0x08 0x00 0x43 0x4c 0x52 0x0
01  // response

Change-Id: Id8b8fa351c9d42632f71ce3445a63491b8ef4d16
Signed-off-by: Pradeep Kumar <pradeep1x.kumar@intel.com>
Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com>
2 files changed