tools/power/x86/intel-speed-select: Add pkg and die in isst_id

Code uses pkg_id and die_id to refer to a specific power domain.

The pkg/die information is already settled at start time. Adding package
id and die id information into struct isst_id so that code does not need
to retrieve them at runtime.

More code cleanups can be done with the package/die info available.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>

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

@@ -362,6 +362,8 @@ int get_physical_die_id(int cpu)
 void set_isst_id(struct isst_id *id, int cpu)
 {
 	id->cpu = cpu;
+	id->pkg = get_physical_package_id(cpu);
+	id->die = get_physical_die_id(cpu);
 }
 
 int get_cpufreq_base_freq(int cpu)

tools/power/x86/intel-speed-select/isst.h

@@ -82,6 +82,8 @@
 /* Unified structure to specific a CPU or a Power Domain */
 struct isst_id {
 	int cpu;
+	int pkg;
+	int die;
 };
 
 struct isst_clos_config {