acpi unit-test: added script to rebuild the expected aml files

Acpi unit-test will fail every time the acpi tables change.
This script rebuild the expected aml files, so the test
will pass. It also validates the modifications.
Signed-off-by: NMarcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

tests/acpi-test-data/rebuild-expected-aml.sh

+#! /bin/bash
+
+#
+# Rebuild expected AML files for acpi unit-test
+#
+# Copyright (c) 2013 Red Hat Inc.
+#
+# Authors:
+#  Marcel Apfelbaum <marcel.a@redhat.com>
+#
+# This work is licensed under the terms of the GNU GPLv2.
+# See the COPYING.LIB file in the top-level directory.
+
+qemu=
+
+if [ -e x86_64-softmmu/qemu-system-x86_64 ]; then
+    qemu="x86_64-softmmu/qemu-system-x86_64"
+elif [ -e i386-softmmu/qemu-system-i386 ]; then
+    qemu="i386-softmmu/qemu-system-i386"
+else
+    echo "Run 'make' to build the qemu exectutable!"
+    echo "Run this script from the build directory."
+    exit 1;
+fi
+
+if [ ! -e "tests/acpi-test" ]; then
+    echo "Test: acpi-test is required! Run make check before this script."
+    echo "Run this script from the build directory."
+    exit 1;
+fi
+
+TEST_ACPI_REBUILD_AML=y QTEST_QEMU_BINARY=$qemu tests/acpi-test
+
+echo "The files were rebuilt and can be added to git."
+echo "However, if new files were created, please copy them manually" \
+     "to tests/acpi-test-data/pc/ or tests/acpi-test-data/q35/ ."