Increase hostboot standalone timeout to be 75 minutes

We were seeing normal CIs take 56 minutes which was exceeding the
existing 50 minute timeout. This increase is due the adding a 2nd
proc to the axone simics xml and the addition of axone related
tests.

Change-Id: I0fa1f2ce93efab47e4ccb7d81a13cf293b3ed5b0
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/84549
Reviewed-by: DANIEL J LARSON <dlarson@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>

src/build/citest/autocitest

@@ -373,9 +373,15 @@ while [ $(($modsstarted)) -lt 1 -o $(($modsstarted)) -ne $(($modscompleted)) ];
     fi
 
     if [[ -z "${HOSTBOOT_PROFILE}" ]]; then
-        loop_timeout=150
+        if [[ "$CHIP" == "AXONE" ]]; then
+            # 75 minutes for axone
+            loop_timeout=225
+        else
+            # 50 minutes by default
+            loop_timeout=150
+        fi
     else
-        # Increase timeout for code coverage
+        # Increase timeout to 166 minutes for code coverage
         loop_timeout=500
     fi