tests:tpm2d: add missing start_sw_tpm.sh script

* tests/tpm2dtests/start_sw_tpm.sh: New.
* tests/tpm2dtests/Makefile.am: Add.
--

This accidentally got left out of the initial commit for testing
6720f1343 ("tpm2d: add tests for the tpm2daemon")

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

Added to Makefile and wrote tiny ChangeLog.

Signed-off-by: Werner Koch <wk@gnupg.org>

tests/tpm2dtests/start_sw_tpm.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# remove any prior TPM contents
+rm -f NVChip h*.bin *.permall
+if [ -x "${SWTPM}" ]; then
+    ${SWTPM} socket --tpm2 --server type=tcp,port=2321 \
+         --ctrl type=tcp,port=2322 --tpmstate dir=`pwd` &
+else
+    ${TPMSERVER} > /dev/null 2>&1  &
+fi
+pid=$!
+##
+# This powers on the tpm and starts it
+# then we derive the RSA version of the storage seed and
+# store it permanently at handle 81000001 and flush the transient
+##
+a=0; while [ $a -lt 10 ]; do
+    if [ -x "${SWTPM_IOCTL}" ]; then
+	${SWTPM_IOCTL} --tcp 127.0.0.1:2322 -i > /dev/null 2>&1
+    else
+	tsspowerup > /dev/null 2>&1
+    fi
+    if [ $? -eq 0 ]; then
+	break;
+    fi
+    sleep 1
+    a=$[$a+1]
+done
+if [ $a -eq 10 ]; then
+    echo "Waited 10s for tpm_server to come up; exiting"
+    exit 1
+fi
+
+tssstartup || exit 1
+echo -n $pid