update_flash: Use inband ipmi path to get firmware version
update_flash: Use inband ipmi path to get firmware version

update_flash_nv uses 'ipmitool -I usb' interface to get firmware version
details. This is AMI BMC OEM feature and not available on other BMC systems.
Hence lets use inband interface to get firmware version details.

Signed-off-by: Vasant Hegde <a6d753843573f7bfed5075c1e875b0be8007a0ab@linux.vnet.ibm.com>
Signed-off-by: Tyrel Datwyler <f4a317f2a73d762775eb462a22d913f1ae21c433@linux.vnet.ibm.com>

shenki/powerpc-utils,shenki/powerpc-utils,shenki/powerpc-utils