Exclude areas not assigned to Mckernel from direct map of all phys. memory

It's enabled by adding -s to mcreboot.sh.

Cherry-pick of the following commit:

commit b5c13ce51a5a4926c2cf11c817cd0d369ac4402d
Author: Katsuya Horigome <katsuya.horigome.rj@ps.hitachi-solutions.com>
Date:   Mon Nov 20 09:40:41 2017 +0900

    Include measures to prevent memory destruction on Linux side (This is rebase commit for merging to development+hfi)

test/mem_dest_prev/utils/gen_mem_chunks.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+NUMAS=$1
+MEM_SIZE=$2
+REP=$3
+CHUNKS=""
+
+for numa in ${NUMAS}
+do
+	for rep in `seq 1 ${REP}`
+	do
+		CHUNKS="${CHUNKS}${MEM_SIZE}@${numa},"
+	done
+done
+
+echo ${CHUNKS%,}

test/mem_dest_prev/utils/kill_mcexec.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+count=`pgrep -c -f 'mcexec '`
+if [ ${count} -gt 0 ]
+then
+	echo "kill process :" ${count}
+	pgrep -l -f 'mcexec '
+	pgrep -f 'mcexec ' | xargs kill -9
+fi
+