dm: verify the "iasl" version

This patch does:
- define IASL_MIN_VER in the top-level Makefile and pass it Device Model
- verify the "iasl" version at run time
  if "iasl" version is older than IASL_MIN_VER, refuse to launch the
  post-launched VM and exit directly.

Tracked-On: #7880

Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>

devicemodel/core/main.c

@@ -1034,6 +1034,13 @@ main(int argc, char *argv[])
 		exit(1);
 	}
 
+	if (check_iasl_version() != 0) {
+		pr_err("Please install iasl tool with version >= %s from https://www.acpica.org/downloads, "
+			"and provide the path to iasl (by using --iasl) if it's not on the PATH \n",
+			IASL_MIN_VER);
+		exit(1);
+	}
+
 	argc -= optind;
 	argv += optind;