Reduce host shutdown timeout to 5 minutes

Resolves openbmc/openbmc#1823

Change-Id: I00fbf03561046be34fa8f1bd3039fbffe575737f
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
diff --git a/configure.ac b/configure.ac
index 076cc6f..8c6cd05 100644
--- a/configure.ac
+++ b/configure.ac
@@ -100,7 +100,7 @@
     [AC_DEFINE_UNQUOTED([IPMI_SMS_ATN_ACK_TIMEOUT_SECS], [3], [Initial timeout for host to ack SMS_ATN from BMC])]
 
     [AC_ARG_VAR(IPMI_HOST_SHUTDOWN_COMPLETE_TIMEOUT_SECS, [Wait time until Host can quiesce])]
-    [AC_DEFINE_UNQUOTED([IPMI_HOST_SHUTDOWN_COMPLETE_TIMEOUT_SECS], [45*60], [Wait time until Host can quiesce])]
+    [AC_DEFINE_UNQUOTED([IPMI_HOST_SHUTDOWN_COMPLETE_TIMEOUT_SECS], [5*60], [Wait time until Host can quiesce])]
 
     # Indicates an in-band power off or reboot request from the host
     # This file is used to ensure the soft off service does not run for host