Define new IBM OEM cmd to reset BMC password

Create a new OEM command to perform a reset of the BMC root
password. It'll also re-enable the local account if it had
been disabled.
The implementation will be added in subsequent commits, for
this first change just define the new function enum.

Change-Id: I54d8b6e5ce34a2a02b0142788a32cb5edf64b451
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/oemhandler.hpp b/oemhandler.hpp
index 2de4657..beb6901 100644
--- a/oemhandler.hpp
+++ b/oemhandler.hpp
@@ -10,6 +10,7 @@
 enum ipmi_netfn_oem_cmds
 {
     IPMI_CMD_PREP_FW_UPDATE = 0x10,
+    IPMI_CMD_RESET_BMC_PASSWORD = 0x11,
     IPMI_CMD_PESEL = 0xF0,
     IPMI_CMD_OCC_RESET = 0x0E,
 };