storagehandler: move read FRU data to new API

Rewrite "Read FRU Data" command to new IPMI provider API.

Tested:
1. verified Read FRU data is same both before and after the changes

ipmitool  raw 0x0a 0x11  0x74 58 00 3 //request
03 32 36 31  //response

Signed-off-by: anil kumar appana <anil.kumarx.appana@intel.com>
Change-Id: I3bd497068462ee97a7b3fe648c3b0727f998bb0b
2 files changed