opal: Check Core FIRs to find the reason for Malfunction Alert.
opal: Check Core FIRs to find the reason for Malfunction Alert.

On Malfunction Alert read all CORE FIRs to identify reason for
core check stop and update a HMI event with relevant error information.

This patch changes the HMI event version to 2 (OpalHMIEvt_V2).

Signed-off-by: Mahesh Salgaonkar <6a890e1065a1d4e8df9dcf1d9a2c9c740bbcf8aa@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

shenki/skiboot,cyrilbur-ibm/skiboot,legoater/skiboot,qemu/skiboot,open-power/skiboot,cyrilbur-ibm/skiboot,ddstreet/skiboot,shenki/skiboot,qemu/skiboot,qemu/skiboot,mikey/skiboot,stewart-ibm/skiboot,jk-ozlabs/skiboot,legoater/skiboot,legoater/skiboot,legoater/skiboot,apopple/skiboot,open-power/skiboot,apopple/skiboot,shenki/skiboot,jk-ozlabs/skiboot,shenki/skiboot,csmart/skiboot,open-power/skiboot,apopple/skiboot,ddstreet/skiboot,stewart-ibm/skiboot,qemu/skiboot,mikey/skiboot,csmart/skiboot,qemu/skiboot,ddstreet/skiboot,shenki/skiboot,open-power/skiboot,csmart/skiboot,stewart-ibm/skiboot,mikey/skiboot,legoater/skiboot,cyrilbur-ibm/skiboot,jk-ozlabs/skiboot,open-power/skiboot