tools/power/x86/intel-speed-select: Update version

As we added new set of mailbox commands, increment version.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

tools/power/x86/intel-speed-select/isst-config.c

@@ -15,7 +15,7 @@ struct process_cmd_struct {
 	int arg;
 };
 
-static const char *version_str = "v1.1";
+static const char *version_str = "v1.2";
 static const int supported_api_ver = 1;
 static struct isst_if_platform_info isst_platform_info;
 static char *progname;