boot policy: Support boot parameter #4 (boot info)

Resolves openbmc/openbmc#2356

Change-Id: If775a01a97f29a60575c03f26d32bba0315af920
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/chassishandler.h b/chassishandler.h
index 451e232..528a05d 100644
--- a/chassishandler.h
+++ b/chassishandler.h
@@ -43,6 +43,7 @@
 };
 enum class BootOptionParameter : size_t
 {
+    BOOT_INFO                     = 0x4,
     BOOT_FLAGS                    = 0x5,
     OPAL_NETWORK_SETTINGS         = 0x61
 };